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

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Question 838766: 266x+14y-2744=0 rewrite as function
Click here to see answer by Fombitz(32388)

Question 838761: Use the functions to answer the question.
f(x) = 3x; g(x) = 4x2 + 1
Which is equal to (f circle g) (x)? (Points : 4)
1)12x3 + 3x
2)12x2 + 3
3)36x2 + 1
4)4x2 + 3x + 1
Click here to see answer by ewatrrr(24785)

Question 838763: (Can someone please help me with this question?)
The function p(d)=1+d/33 gives the pressure in atmospheres (atm, at a depth d in the sea (d is in feet). Note that p(0)=atm, p(33)=2, and so on. Find the pressure at 100 feet.(Type an integer or a simplified fraction)
The pressure at 100 feet is ? atm.
Click here to see answer by Theo(13342)

Question 838855: (x-2)^2 =25 how do I do this
Click here to see answer by josgarithmetic(39618)

Question 838901: What are the first four terms of the sequence represented by the expression n(n-1)-4?
A. -2,2,6,10
B. -3,0,3,6
C. -4,-2,2,8
D.-5,-4,-2,6
Can you please tell me how you figure out the problem too.
Click here to see answer by richard1234(7193)

Question 838905: Given the function rule f(x)=x^2-4x+3, what is the output of f(-3)?
A. 24
B. 21
C. 0
D. -3
Can you please tell me how you did it?
Click here to see answer by josgarithmetic(39618)

Question 838837: Help with these functions?
Find the following, simplify completely:
f(x) = 10x^2 + 9x + 8
(a) f(x+h)
(b) f(x + h) − f(x)
(c) f(x+h) - f(x)/h where h does not equal 0
(d) the value f(x+h)-f(x)/h as h approaches 0
?

Click here to see answer by Fombitz(32388)

Question 838497: So I have math midterms but school hasn't been open all week because of the winter storm and I forget all about f (x)=g (x) I tried reviewing my notes but I still am unsure for ex
F (x) = 3x+2 when f (x)=3
Help!!
Click here to see answer by richard1234(7193)

Question 839013: f(x)=9x-4, g(x)=4x-7
Find (f-g)(x)
Click here to see answer by ewatrrr(24785)

Question 839201: what is the domain of (x(x+3))/8x^2-1)
Click here to see answer by fcabanski(1391)

Question 839364: Given f(x)=3x+1, find a number c in the domain of f such that f(c)=-8. Write the corresponding ordered pair of the function.
Click here to see answer by ewatrrr(24785)

Question 839476: if f(-3)=-120, for f(x)=x^4+x^3-19x^2+kx+30.. find f(1)
Click here to see answer by josh_jordan(263)

Question 839490: Could you please help me solve the following problem:
Factor completely. Remember to check for common factors first. Some questions will require two types of factoring.
x^4 + 5x^3 + 2x + 10
thank you!
Click here to see answer by Alan3354(69443)

Question 839491: Could you please help me solve the following problem:
Factor completely. Remember to check for common factors first. Some questions will require two types of factoring.
a^2 + b^2
thank you!
Click here to see answer by josgarithmetic(39618)

Question 839488: Could you please help me solve the following problem:
Factor completely. Remember to check for common factors first. Some questions will require two types of factoring.
(x - 3)^2 - 49
Click here to see answer by josgarithmetic(39618)

Question 839487: Could you please help me solve the following problem:
Factor these three examples completely. Remember to check for common factors first. Some questions will require two types of factoring.
a) 2a^2 - 5a - 3
b) 4(x + y) - 3m(x + y)
c) 2a^2 + 24a + 40
Thank you!
Click here to see answer by josgarithmetic(39618)

Question 839701: FIND THE DOMAIN AND THE RANGE OF THE EWLATION. DETERMINE WHETHER THE RELATION IS A FUNCTION,
(-2,1) (7,1) (-2,10) (-9,-6)
Click here to see answer by richard1234(7193)

Question 839854: Evaluate (fog)(-1) using f(x)=2x-1 and g(x)=5x-3
Click here to see answer by ewatrrr(24785)

Question 839972: please help me solve domain and range of f(x) = -2x + 7
Click here to see answer by Fombitz(32388)

Question 839612: Please help me solve.Thank you!
F(x)=-2square root of ax+3 where a>0
Determine the domain of f(x)=-2 square root of ax+3. Write answer using interval notation.
Click here to see answer by Fombitz(32388)

Question 839783: 1/[(1/q)+(1/p)]
Click here to see answer by Fombitz(32388)

Question 840292: I really need some help! Can anyone help me?
Use the given zero to find the remaining zeros of the function
h(x)=3x^4+7x^3+69x^2+175x-150; zero:-5i
Click here to see answer by Alan3354(69443)

Question 840477: I'm confused on finding the domain of f(x)=3x^3-2
Click here to see answer by jim_thompson5910(35256)

Question 840481: hello,
my question is what is the domain of square root of 2-x
Click here to see answer by jim_thompson5910(35256)

Question 840568: f(x)=(x-6)/x^3 +5x
Click here to see answer by Fombitz(32388)

Question 839754: f(x)=x^2-bx I am trying to figure out the algebraic definition of "f" reflected over the y-axis, this is what I have:
f(-x)=(-x)^2-(-bx)
f(-x)=x^2-bx
I am not sure if I have figured this out right.
Click here to see answer by Fombitz(32388)

Question 841102: Assume that f(3) = 4. Name a point that must be on the graph of y=1/2 f(x/2)
Click here to see answer by Fombitz(32388)

Question 841112: Hello,
I'm having trouble with functions. I'm given f(x)=x^2-4x+16 and g(x)= -0.5x^2+4x+10.
How do I find the longest interval, starting at x=1, over which g(x)-f(x) is increasing?
Thank you so much!
Click here to see answer by ewatrrr(24785)

Question 841295: Find and simplify f(3+h)-f(3). ?? Any help on this problem? Thanks!
Click here to see answer by Fombitz(32388)

Question 841156: Let fx= x-5 and gx=x^2-1. Find each of the following functions.
A. (F+g)(x)
Click here to see answer by Fombitz(32388)

Question 841325: What is the domain of fog(x) if f(x)=7/x-4 g(x)=2/x fog (x)=7/(2/x)-4
Click here to see answer by ewatrrr(24785)

Question 841441: If f(x) varies directly with x^2, and f(x) = 75 when x = 5, find the value of f(4).
Click here to see answer by richard1234(7193)

Question 841620: (Can someone help me with this question please?, thanks)
The fax mailer bought a fax machine for $600. The fax machine depreciates at a rate of $20 a month. Find a function that can be used to determine the value of the fax machine t months after purchase.
Complete the model below
F(t)=__?
Click here to see answer by richwmiller(17219)

Question 841723: what is the domain and range of y=-5/4x-3/4 ?
Click here to see answer by hovuquocan1997(83)

Question 841726: solve (x+5/4)-(x-6/2)=(3/8)
Click here to see answer by rfer(16322)

Question 841726: solve (x+5/4)-(x-6/2)=(3/8)
Click here to see answer by hovuquocan1997(83)

Question 841658: Square root of x+14 over x-5 find the domain in interval form
Click here to see answer by fcabanski(1391)

Question 841975: Explain how to write a function rule from the table below. Then write a function.

X 2 4 6
________
Y 1 0 -1
Click here to see answer by Edwin McCravy(20056)

Question 842083: solve -8+12>14x-10
Click here to see answer by rfer(16322)

Question 842081: A plant can manufacture 80 tennis rackets per day for a total daily cost $8,147 and 100 tennis rackets per day for a total daily cost of $9,647. Assuming that the daily cost function is linear, find the total daily cost of producing x tennis rackets.
Click here to see answer by josgarithmetic(39618)

Question 842200: what is the domain of the function f(x) = 2x/(x^2+1)
Click here to see answer by LinnW(1048)

Question 842221: Given that f(x) = x2 + 2x + 3 and g(x) = quantity of x plus four, over three, solve for f(g(x)) when x = 2
Click here to see answer by Fombitz(32388)

Question 842387: What is the domain of w(x)= 9x/4x-24
Click here to see answer by Fombitz(32388)

Question 842289: Add 20 to the input X to get the output Y
Thank you!

Click here to see answer by Fombitz(32388)

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