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

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Question 867136: Your parents give you $10,000. You place it in an account that pays 6.1% annual interest compounded continuously. How much will you have in 20 years? Round the answer to the nearest dollar.
Click here to see answer by ewatrrr(24785)

Question 867054: Im confused on how to do this problem
Evaluate f (x) =2x-8 over the domain {0, 1, 3, 8} What is the range of f (x) ?
Click here to see answer by rothauserc(4718)

Question 867480: find the domain of the function p(x)=x^3-x^2+x-6
Click here to see answer by solver91311(24713)

Question 867484: find the slope-intercept equation of the line that has the given characteristics
slope 4.5 and y-intercept (0,-7)
find an equation of the line having the given slope and containing the given point
m=4,(2,1)
Click here to see answer by josgarithmetic(39613)

Question 868076: If a graph is a line that is parallel to the line
g(x) = −9x − 1
and contains the point
(7, 1),
determine the linear function.
Click here to see answer by Fombitz(32388)

Question 868077: Suppose that a car rental agency charges a fixed amount per day plus an amount per mile for renting a car. Heidi rented a car one day and paid $58 for 220 miles. On another day she rented a car from the same agency and paid $76 for 340 miles. Find the linear function f(x) (where x is in miles and f(x) is in dollars) that the agency could use to determine its daily rental charges.

Click here to see answer by dkppathak(439)

Question 868075: If a graph is a line that is perpendicular to the line
g(x) = 2x − 2
and contains the point
(7, 1),
determine the linear function.
Click here to see answer by josgarithmetic(39613)

Question 867477: find the domain of the function g(x)=8/5-7x
Click here to see answer by Fombitz(32388)

Question 868273: isolate or solve b in the eqaution SA=2piR^2+2piRH
Click here to see answer by Alan3354(69443)

Question 868307: write the function f(x)= -5^2 + 4x -3 in the form k + a(x+h)^2 then (a) determine the maximum/minimum value of f(x) and (b) state the value of x when the maximum/minimum value occurs
Click here to see answer by josgarithmetic(39613)

Question 868424: domain of y= sqrt(x-1)+sqrt(6-x)
Click here to see answer by jim_thompson5910(35256)

Question 868411: Write an expression for a rational function that has asymptotes of x=-2, x=7, and y=-3/2
Click here to see answer by ewatrrr(24785)

Question 868425: domain of y=1/(x^3+x-2)
Click here to see answer by Fombitz(32388)

Question 868457: If a function f : R to R be defined by
f(x)={ 3x-2 , x<0 ; 1 , x=0 ; 4x+1 , x>0 }
Find: f(1), f(-1), f(0), f(2)
Click here to see answer by Fombitz(32388)

Question 868699: How do you solve a function form equation and graph it?
Click here to see answer by stanbon(75887)

Question 869145: f(x)=-2, find f(5)
Click here to see answer by ewatrrr(24785)

Question 869267: Which of the following is not in the range of f(x) = 6(x - 3)^2?
A. 300
B. 6
C. 36
D. -2
Click here to see answer by edjones(8007)

Question 869417: there are anyone formula of sin^-1x?????
Click here to see answer by Fombitz(32388)

Question 869485: who want to buy very very short formula of sin^-1 x in comparison of modern formula
Click here to see answer by Fombitz(32388)

Question 869312: Can you please help? Thank you!
Determine whether the equation defines y as a function of x
X+y=9

Click here to see answer by Fombitz(32388)

Question 869611: I need help with the following function problem:
Find all values of x such that f(x)>0 and all x such that f(x)<0, and sketch the graph of f.
f(x)=fourth root of x + 5*third root of x - 6*square root of x
If someone could explain to me how to do this problem it would be a great help to me.
Click here to see answer by stanbon(75887)

Question 869690: Find the domain and range of {(7,-2),(-6,-4),(-9,-9),(-5,-5),(6,6)}
Click here to see answer by jim_thompson5910(35256)

Question 869747: Hello, Im having problems with setting this up correctly.
Hassan is designing a garden in the shape of a right triangle. One leg of the triangle is 8 ft long. The other leg and the hypotenuse are consecutive odd integers. How long are the other two sides of the garden.
so I have
hypotenuse =x+2
leg 1 = x
leg 2 = 8
is x^2+8^2=(x+2)^2 on the right track? im not sure if im on the right course or where to take it from here
any help is appreciated, thank you in advance
Click here to see answer by mananth(16946)

Question 869752: I'm having issues with setting this up correctly.
The labor force participation rate of males ages 65 and older in the United States can be approximated by p(t)= 1/50t^2 -9/10t +27, where p(t) is the percentage of males ages 65 and older in the labor force t years after 1970. In what years were 17% of the males ages 65 and older in the labor force.
Click here to see answer by richwmiller(17219)

Question 869643: xsquared+x=8-x

Click here to see answer by Fombitz(32388)

Question 869654: I need help writing a function using a given domain and range!
Domain: 0, 1, 2, 3, 4, 5, 6, 7, 8
Range: 250, 200, 160, 128, 102, 82, 66, 52, 42
I think this is an exponential function but I'm not sure.
What is the function here?
Click here to see answer by Fombitz(32388)

Question 870222: g(x)=(x+7)(x-9) g(-3)
Click here to see answer by jim_thompson5910(35256)

Question 862225: (g-f)(x)=8-x+sqrt 2-x = interval notation
Click here to see answer by tommyt3rd(5050)

Question 863231: If y=tan2x
Click here to see answer by tommyt3rd(5050)

Question 865945: m[n(x)] if n(x) = 3^x and m(t) = SQRT(t) + 1

Click here to see answer by tommyt3rd(5050)

Question 861508: For f(x)=2x+1 and g(x)=x sqaured - 7, find (fog)(2).
Click here to see answer by tommyt3rd(5050)

Question 870468: Please help me solve this
For the given functions f and g, find the indicated composition.
f(x)=x^(2)-2x+1, g(x)=x^(2)+2x+2
(f*g)(-4)
Click here to see answer by Fombitz(32388)

Question 870590: I'm not entirely sure what the question is asking. Would appreciate some clarification.
Q) What does the following in the function specifically do to ANY input? Recall that the symbol �x� is shorthand notation for input. Be specific in your response. (Do not just say it produces an output).
f(x) = 6 * -15
Click here to see answer by jim_thompson5910(35256)

Question 861124: how to solve f(x) 2x+1/x-3
Click here to see answer by tommyt3rd(5050)

Question 860781: how do you state the domain of f(x) =3x+2
Click here to see answer by tommyt3rd(5050)

Question 865943: n[m(t)] if n(x) = 3^x and m(t) = SQRT(t) + 1
m[n(x)] if n(x) = 3x and m(t) = SQRT(t) + 1

Click here to see answer by tommyt3rd(5050)

Question 860686: domain of
f(x) = 7
(x − 4)2

Click here to see answer by tommyt3rd(5050)

Question 870833: Find the domain of f(x)=x2+2 and that two on the x is a little 2 above it. I just need one domain problem explained and I think I can get the rest. Finding domain is throwing me for a loop!
Click here to see answer by ewatrrr(24785)

Question 870858: What is the corresponding table for the fuctions x(x-2) and g(x)= 2x+4?
Click here to see answer by richard1234(7193)

Question 863239: Solve the linear equations 2x+4y=10 and 3x+6y=15.
Click here to see answer by tommyt3rd(5050)

Question 871160: How do I simplify: 3x+2y/3x+y

Click here to see answer by rfer(16322)

Question 871243: Find the vertex of the quadratic function y = x^2 - 8x - 5 by completing a square. Show all your work.

I mistakenly took the quadratic function and switched it over to vertex form instead of finding the vertex.
Click here to see answer by Fombitz(32388)

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