Questions on Algebra: Functions, Domain, NOT graphing answered by real tutors!

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Algebra: Functions, Domain, NOT graphing

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Question 43198: The price p and the quantity x sold of a certain product obey the demand equation
x = 200 - 10p.
Express the revenue function R as a function of the number of units sold, x.
a. R = -10p2 + 200p
b. R = x2
c. R = x2 - 190x
d. R = x2 + 20
e. None of the others
Click here to see answer by fractalier(1804)

Question 43197: The price p and the quantity x sold of a certain product obey the demand equation
x = 200 - 10p.
Express the revenue function R as a function of the number of units sold, x.
a. R = -10p2 + 200p
b. R = x2
c. R = x2 - 190x
d. R = x2 + 20
e. None of the others
Click here to see answer by fractalier(1804)

Question 43152: The price p and the quantity x sold of a certain product obey the demand equation
x = 200 - 10p.
Express the revenue function R as a function of the number of units sold, x.
a. R = -10p2 + 200p
b. R = x2
c. R = x2 - 190x
d. R = x2 + 20
e. None of the others
Click here to see answer by fractalier(1804)

Question 43257: given
F(x) = 2x -4
G(x) = 5 + x^2
find (F o G)(x)
Click here to see answer by venugopalramana(3286)

Question 43255: Given the points A(2,5) and B(0,-3) find:
the distance between A and B
the slope of the line through A and B
The slope of a line perpendicular to the line through A and B
Please help!
Click here to see answer by venugopalramana(3286)

Question 43256: given this:
F(x)= 2x - 4
G(x)= 5 + x^2
K(x) = 7
Find F(1) + G(-2) + K(0)
Click here to see answer by fractalier(1804)

Question 43154: The profit earned from manufacturing x widgets is .0001x3 - .21x2 + 135x - 2000 dollars. Other contraints dictate that at least 200 widegets but no more than 950 widgets be manufactured.
How many widgets should be produced to earn the maximum profit?
a. 950
b. 17400
c. 500
d. 25500
e. None of the others
Click here to see answer by venugopalramana(3286)

Question 42970: The price p and the quantity x sold of a certain product obey the demand equation
x = 200 - 10p.
Express the revenue function R as a function of the number of units sold, x.
Click here to see answer by fractalier(1804)

Question 43467: Evaluate each function and simplify where possible.
a. g(-1) if g(x) = -x^2 – x
b. g(x) + 3 if g(x) = x^2 + x
c. h(x – 1) if h(x) = 3x – 2
Click here to see answer by Nate(3495)

Question 43466: Find the domain of each function.
a. h(x)= x+3/x-5
b. SQRT x^2+7

Click here to see answer by Nate(3495)

Question 43507: If f(x) is an odd function and f(-3)=6,what is the value of f(6)? can you explain it for me thanks.
Click here to see answer by venugopalramana(3286)

Question 43507: If f(x) is an odd function and f(-3)=6,what is the value of f(6)? can you explain it for me thanks.
Click here to see answer by Nate(3495)

Question 43521: for the problem, f(x)=2x^3-15x^2+44x-39,i have to solve for f(x)=0 exactly,which i think is 1.5 but i can't fin the imaginary solutions.
Click here to see answer by Nate(3495)

Question 43607: What is the domain of...
y=3x+17?
Click here to see answer by stanbon(26271)

Question 43605: f(x) is an odd function,and i know that f(-3)=6,is it safe to say that f(6)can be all real numbers less than 6.
Click here to see answer by stanbon(26271)

Question 43605: f(x) is an odd function,and i know that f(-3)=6,is it safe to say that f(6)can be all real numbers less than 6.
Click here to see answer by venugopalramana(3286)

Question 44026: f(x)=2x + 1 and g(x)=2x(squared) + x
Determine the following:
#13 (f of g)(2)
Click here to see answer by Nate(3495)

Question 44184: hello! my name is daniela and i dont understand how to figure out
this question can u please help me? like i dont understand what steps to do (if that helps)
what is the range of the fuction f(x)=4x-3 when the domain is -1,0,3?
thank you very much :)
Click here to see answer by stanbon(26271)

Question 43831: If f(x)=x^2+5, find f(a+h)-f(a). Thank you for any help you can provide.
Click here to see answer by stanbon(26271)

Question 44241: find all numbers not in the domain of the function
f(x)= 6 over x+6
Click here to see answer by Nate(3495)

Question 44240: find all numbers not in the domain of the function
f(x)=x^2-16 over x^2-2x-8
help
Click here to see answer by Nate(3495)

Question 44301: OK THIS IS A DUMB QUESTION BUT I HAVE NO ONE TO ANWSER IT RIGHT NOW. WHEN I'M ASKED TO FIND THE DISTANCE OF TWO POINTS THAT MEANS I FIND THE SLOPE RIGHT?
Click here to see answer by venugopalramana(3286)

Question 44393: f(x)=x^5+x^4-2x^3-x^2-x+2 i have to find all real and imaginary zero's, and can you explain the multiplicity of the real zero's for me,thanks.
Click here to see answer by stanbon(26271)

Question 44537This question is from textbook Algebra and trigonometry with analytic geometry

: Solve the equation 4^(2x+1)=2^(3x+6).
Thanks.This question is from textbook Algebra and trigonometry with analytic geometry

Click here to see answer by venugopalramana(3286)

Question 44543: if i have a quintic function with two real zeros i know that one real zero has a multiplicy of 2 does that mean the other real zero has to have a multiplicty of three,if so how man imaginary zeros should i get? the same for a cubic if i have one real zero what is the multiplicty of it?
Click here to see answer by stanbon(26271)

Question 44625: Find the product

Click here to see answer by Nate(3495)

Question 44648: I need to rewrite the equation so that y is a function of x:
-4x + y=9.can you help me?? Thank you,E
Click here to see answer by stanbon(26271)

Question 44776: what is the inverse of f(x)= 2x+1 ?
what is the inverse of f(x)= x(to the second power) -3?
Click here to see answer by Nate(3495)

Question 44841: Are the four listed functions even or odd?
f(x)=0
f(x)=-x+2
f(x)={|x| if x<0 and x^2 if x > or equal to 0}
f(x)=4x^94
Thank you.
Click here to see answer by adamchapman(301)

Question 44921This question is from textbook College Algebra

: Determine the average rate of change of the function between the given values of the variable.
f(z)= 1 - 3z^2; z= -2, z = 0
I came out with 5
Thank you so much!This question is from textbook College Algebra

Click here to see answer by stanbon(26271)

Question 44924This question is from textbook College Algebra

: A linear function is given. (a) Find the average rate of change of the function between x = a and x = a + h. (b). Show that the average rate of change is the same as the slope of the line.
g(x) = -4x + 2
I came out with 4 for both answers.
Thank you so much!This question is from textbook College Algebra

Click here to see answer by venugopalramana(3286)

Question 44923This question is from textbook College Algebra

: Determine the average rate of change of the function between the given values of the variable.
f(t) = Sqrt(t); t = a, t= a+h
I came out with 1/sqrt(a+h) + Sqrt (a)
Thank you so much!This question is from textbook College Algebra

Click here to see answer by venugopalramana(3286)

Question 44839: Evaluate this problem:
-3/5[2-3-1/2(3/4-1/2)]
Click here to see answer by AnlytcPhil(958)

Question 44922This question is from textbook College Algebra

: Determine the average rate of change of the function between the given values of the variable.
f(x) = 4-x^2; x=1, x= 1 + h
I came out with h(-h-2)
Thank you so much!This question is from textbook College Algebra

Click here to see answer by AnlytcPhil(958)

Question 45020This question is from textbook College Algebra

: The graph of a function is given. Determine the average rate of change of the function between the indicated values of the variable.
The graph is an arch passing through points (1,4) and (5,2)
ARC = 2-4/5-1 = -2/4 = -1/2
Thank you so much!This question is from textbook College Algebra

Click here to see answer by stanbon(26271)

Question 45039This question is from textbook

: Find the horizontal asymptote of the rational function f(x)=8x-12/4x-2.
My answer is y=1/2.
Thanks.This question is from textbook

Click here to see answer by Nate(3495)

Question 45063: Determine the domain, range and reverse of these functions. Then determine if they are functions.
((-3,5),(-3,6),(4,5),(4,6)). I need help what do i do
Click here to see answer by Nate(3495)

Question 45064: Please help to show work.
Find the x and y intercepts of the following function.
y =(x+5)(x-3)
Click here to see answer by Nate(3495)

Question 45062: Help to show the work please.
Find the (a) domain and range, (b) determine the intervals over which the function is increasing, decreasing, or constant and (c) determine any maximum or minimum values. f(x)=2-x^2
Click here to see answer by Nate(3495)

Question 45072: can you please show me how to work out this problem:
Suppose that V(x) represents the number of the violent crimes commited in the year "x" and P(x) represents the number of property crimes commited in year "x". Determine a function T that represents the combined total of violent crimes and property crimes in year "x".
Click here to see answer by adamchapman(301)

Question 45078: x y
-4 -6
0 6
2 12
6 24
How can you tell if this is a linear function and Why? How do you find the equation for this data.
I say yes this is a linear function because there is only one input per output, but I do not know why?
The equation I think is y = mx + b, I do not know how to put in the numbers.
Click here to see answer by Nate(3495)

Question 45086: how do you find a vertical and horizontal intercept? (-6,6) (5,2)
would I be right to say
6-2 = 4
-6-5 + -11

Click here to see answer by stanbon(26271)

Question 45022This question is from textbook College Algebra

: Suppose the graph of f is given. Describe how the graph of each function can be obtained from the graph of f:
a. y = f(x+5) Shift the graph of y=f(x) to the left 5 units
b. y = f(x) + 5 Shift the graph of y=f(x) upward 5 units.
Thank you so much once again!This question is from textbook College Algebra

Click here to see answer by stanbon(26271)

Question 45203This question is from textbook College Algebra

: Find the maximum or minimum value of the function
f(t)= 10t^2 + 40t + 113
t = -40/(2*10) = -40/20 = -2 minimum
10(t^2 + 4t) + 113
10(t^2 + 4t +4) + 113 - 40
10(t + 2)^2 + 73
y = 73
Thank you very much again!This question is from textbook College Algebra

Click here to see answer by rapaljer(3620)

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