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

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Question 107760: From the information in the table providing values of f(x) and g(x),
evaluate ( f o g)−1(2) .
x 1 2 3 4 5
f(x) 3 4 5 1 2
g(x) 5 4 2 3 1
a. 1
b. 2
c. 4
d. 5

Click here to see answer by Nate(3500)

Question 107759: Several values of the two functions f and g are given in the following
tables:
x 4 5 6 7 x 4 5 6 7
f(x) 6 7 4 5 g(x) 6 5 7 4
Find ( f o g)(7) .
a. 4
b. 5
c. 6
d. 7
Click here to see answer by Nate(3500)

Question 108178: One number is less than twice another. If the sume of the two numbers is 20 find the number.
Click here to see answer by edjones(8007)

Question 108338: Range and asymptote of:
y= log(x-1)
Click here to see answer by stanbon(75887)

Question 108200: If f(x)=2x+5 and g(x)=3x2-1 find the value of f(b2)
Click here to see answer by Fombitz(32388)

Question 108410: reduce to lowest terms
x^2-12x+36
x^2-36
Click here to see answer by jim_thompson5910(35256)

Question 108410: reduce to lowest terms
x^2-12x+36
x^2-36
Click here to see answer by checkley71(8403)

Question 108440: I'm not sure how to answer this problem. Can you help me? The problem is y= x+7
x= (-3)
Thamk you if you find the answer? Thank you for trying if you don't.
Click here to see answer by checkley71(8403)

Question 106638: 14. Which of the ordered pairs
(3, 1), (0, �4), (�4, 0), (�3, �7)
are solutions for the equation x � y = 4?
A) (0, �4), (�4, 0), and (�3, �7)
B) (�4, 0) and (�3, �7)
C) (0, �4) and (�3, �7)
D) (3, 1) and (�4, 0)

Click here to see answer by taydab(1)

Question 108747: If f(x)=-4/3x +5 what is f(6)
I don't understand how to convert the problem into the formula.
Click here to see answer by Fombitz(32388)

Question 108986: A STORE SELLS WHATCHAMACALLITS FOR $1.30 EACH. HOW MANY WHATCHAMACALLITS DOES THE STORE NEED TO SELL IN ORDER TO MAKE $100.00?
Click here to see answer by edjones(8007)

Question 108986: A STORE SELLS WHATCHAMACALLITS FOR $1.30 EACH. HOW MANY WHATCHAMACALLITS DOES THE STORE NEED TO SELL IN ORDER TO MAKE $100.00?
Click here to see answer by heidi(17)

Question 109091: Given h(x), find a pair of functions f and g such that h(x) = fgg(x):
h(x) = .

Click here to see answer by Edwin McCravy(20056)

Question 109093: Please help with the following as functions is a concept I'm struggling to grasp.
if f(t+15) = t^2 - 10, find f(t).
I believe this has to deal with tranformations and going in reverse order.
Click here to see answer by bucky(2189)

Question 109092: If f(x) = square root 6x+7 and g(x) = |4x-3|, find fg, f/g, and their domains. I'm confused about the absolute value sign and unsure how to solve. Appreciate any assistance.
Click here to see answer by stanbon(75887)

Question 109415: 1. Find the domain of the relation {(0,2),(4,-5),(-1,3)}

Click here to see answer by jim_thompson5910(35256)

Question 109421: Find f(2/3). f(x)=18x^-12x-3
Click here to see answer by jim_thompson5910(35256)

Question 109420: Find f(2/3). f(x)=18x^-12x-3
Click here to see answer by jim_thompson5910(35256)

Question 109419: Find f(2/3). f(x)=18x^-12x-3
Click here to see answer by jim_thompson5910(35256)

Question 109430: Find the range of the relation {(-1,-2), (-3,0), (3,-4)}
Click here to see answer by stanbon(75887)

Question 109627: Um...
whats the answer to:
Let g(x)=4x-5
g(x) when x=2

I NEED THIS ANSWER ASAP PLEASE!!! YOU ARE MY LAST HOPE!!!
Click here to see answer by MathLover1(20850)

Question 109620: I'm not sure how to determine the domain and range of y=2x-3. I believe the answer may be (-infinity, infinity), (-infinity, infinity).
Click here to see answer by Fombitz(32388)

Question 109653: Find f (-1/3). f(x)=18x2-12x-3
Click here to see answer by checkley71(8403)

Question 109654: a delivery service charges a base price for an overnight delivery of a package plus an extra charge for each pound the package weighs. A customer is billed $22.85 for shipping a 3-pound package and $40 for shipping a 10-pound package.
a. write an equation that gives the total cost of shipping a package as a function of the weight of the package
b. find the cost of shipping a 15-pound package
Click here to see answer by checkley71(8403)

Question 109661: What is the domain of n(x) if n(x)= the square root of (5-x) minus 2?
Click here to see answer by stanbon(75887)

Question 109775: I am not sure how to determine if a relation is a function and my texbook does not give a good example. Please help!
x^2=1+y^2
Thank you.
Click here to see answer by dborova(3)

Question 109793: Determine whether the relation is a function.
(0,4),(1,4),(2,5),(3,6),(4,6)
Click here to see answer by stanbon(75887)

Question 109797: Solve for X.
2^x+1 = 1/32
Click here to see answer by HyperBrain(694)

Question 109833: How do you solve for for the range and domain of the following?
Y=-3+|X-2|

Click here to see answer by HyperBrain(694)

Question 109844: Let f(x)=4-x^ and g(x)=2-x. Find f(x)-g(x).
Click here to see answer by MathLover1(20850)

Question 109851: Let f(x)=16-x� and g(x)=4-x. Find f(x)+g(x).

Click here to see answer by Edwin McCravy(20056)

Question 109852: Let f(x)=16-x^ and g(x)=4-x. Find f(x)+g(x).
Click here to see answer by Edwin McCravy(20056)

Question 109852: Let f(x)=16-x^ and g(x)=4-x. Find f(x)+g(x).
Click here to see answer by MathLover1(20850)

Question 109850: Let f(x)=16-x^ and g(x)=4-x. Find f(x)+g(x).
Click here to see answer by MathLover1(20850)

Question 109849: Let f(x)=16-x^ and g(x)=4-x. Find f(x)+g(x).
Click here to see answer by MathLover1(20850)

Question 109847: Let f(x)=4-x^ and g(x)=2-x. Find f/g(x).
Click here to see answer by MathLover1(20850)

Question 109846: Let f(x)=4-x^ and g(x)=2-x. Find f/g(x).
Click here to see answer by stanbon(75887)

Question 109845: Let f(x)=4-x^ and g(x)=2-x. Find f/g(x).
Click here to see answer by MathLover1(20850)

Question 110076: The altitude to the hypotenuse of a right triangle divides the hypotenuse into segments whose lengths are in the ratio 3:2. The length of the altitude is 18 feet.
Find:
a.)the length of the hypotenuse in simplest radical form.
b.)the length of the hypotenuse to the nearest inch.
c.)the length of each leg of the triangle in simplest radical form.
d.)the length of each leg of the triangle to the nearest inch.
Click here to see answer by edjones(8007)

Question 110223: what is the domain of f(x)= 2x+3 and what is the domian of g(x)= x-1?
Click here to see answer by edjones(8007)

Question 110300: What is the domain of State the domain of the following:
a)f(x)= the square root of x-8
Answer:
b)h(x)=3x squared + 5x-3
Answer:
c)mx=5/x squared +9
Answer:
d)l(x)=5x-4

Click here to see answer by wgunther(43)

Question 110320: Find the domain of f(x)= x^2e^2x (this reads x squared e raised to the 2x)
Click here to see answer by wgunther(43)

Question 110319: Find the domain of f(x)= lnx/4-sqrt(x)
Click here to see answer by wgunther(43)

Question 110318: find the domain of 3x/x^2+1
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 110497: Evaluate f(-3). f(x)={-x^2+2x, x<1
{-2x+3, x>1
Click here to see answer by HyperBrain(694)

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