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 107221: What is the domain of g(x)= (2x+1)/(x-3) ?
Click here to see answer by stanbon(26295)

Question 107266This question is from textbook

: how do you find the slope of the graph of the liner function f?
f(2) = -3, f(-2) = 5
how do you find the slope of the graph of the liner function f?
f(0) = 4, f(4) = 0This question is from textbook

Click here to see answer by Annabelle1(69)

Question 107222: What is the domain of l(x)= 3/(x^2+7)?
Click here to see answer by Fombitz(2113)

Question 107317: what is the domain of the function y = 2 / x+6
Click here to see answer by MathLover1(1183)

Question 107436: What is the Domain for these functions: g(x)= 2x+1/x-3
h(x)=3x^2+5x-3
l(x)=2x+3
m(x)=3/x^2+7
Any help would be greatly appreciated
Thank you
Click here to see answer by stanbon(26295)

Question 107467: What is the domain of the function F given by F(x)=x+4/x ?
I think the answer is "all reall numbers except 0"
Given f(x)=4-x-x^2 find f(3)
I think th answer is f(3)=-8
thank you!
Click here to see answer by jim_thompson5910(13794)

Question 107562: Term Of Number What's the rule? Numerical Value Of Term
0 11
2 23
4 35
n

Click here to see answer by mathnoob(8)

Question 107608This question is from textbook Algebra I
: Writing a Function rule
x y
-4 -3
-3 -1.5
-2 0
-1 1.5
0 3This question is from textbook Algebra I

Click here to see answer by scott8148(3385)

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(3495)

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(3495)

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(3298)

Question 108338: Range and asymptote of:
y= log(x-1)
Click here to see answer by stanbon(26295)

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(2113)

Question 108410: reduce to lowest terms
x^2-12x+36
x^2-36
Click here to see answer by jim_thompson5910(13794)

Question 108410: reduce to lowest terms
x^2-12x+36
x^2-36
Click here to see answer by checkley71(8405)

Question 108440This question is from textbook algebra 1
: 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.This question is from textbook algebra 1

Click here to see answer by checkley71(8405)

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(2113)

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(3298)

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(2922)

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(1732)

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(26295)

Question 109415This question is from textbook

: 1. Find the domain of the relation {(0,2),(4,-5),(-1,3)}
This question is from textbook

Click here to see answer by jim_thompson5910(13794)

Question 109421This question is from textbook

: Find f(2/3). f(x)=18x^-12x-3This question is from textbook

Click here to see answer by jim_thompson5910(13794)

Question 109420This question is from textbook

: Find f(2/3). f(x)=18x^-12x-3This question is from textbook

Click here to see answer by jim_thompson5910(13794)

Question 109419This question is from textbook

: Find f(2/3). f(x)=18x^-12x-3This question is from textbook

Click here to see answer by jim_thompson5910(13794)

Question 109430This question is from textbook

: Find the range of the relation {(-1,-2), (-3,0), (3,-4)}This question is from textbook

Click here to see answer by stanbon(26295)

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(1183)

Question 109620This question is from textbook University of Phoenix Elementary and Intermediate algebra
: 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).This question is from textbook University of Phoenix Elementary and Intermediate algebra

Click here to see answer by Fombitz(2113)

Question 109653This question is from textbook

: Find f (-1/3). f(x)=18x2-12x-3This question is from textbook

Click here to see answer by checkley71(8405)

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(8405)

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(26295)

Question 109775This question is from textbook elementary and intermediate algebra
: 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.This question is from textbook elementary and intermediate algebra

Click here to see answer by dborova(3)

Question 109793This question is from textbook

: Determine whether the relation is a function.
(0,4),(1,4),(2,5),(3,6),(4,6)This question is from textbook

Click here to see answer by stanbon(26295)

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(1183)

Question 109851: Let f(x)=16-x² and g(x)=4-x. Find f(x)+g(x).

Click here to see answer by Edwin McCravy(2922)

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(2922)

Question 109852: Let f(x)=16-x^ and g(x)=4-x. Find f(x)+g(x).
Click here to see answer by MathLover1(1183)

Question 109850: Let f(x)=16-x^ and g(x)=4-x. Find f(x)+g(x).
Click here to see answer by MathLover1(1183)

Question 109849: Let f(x)=16-x^ and g(x)=4-x. Find f(x)+g(x).
Click here to see answer by MathLover1(1183)

Question 109847: Let f(x)=4-x^ and g(x)=2-x. Find f/g(x).
Click here to see answer by MathLover1(1183)

Question 109846: Let f(x)=4-x^ and g(x)=2-x. Find f/g(x).
Click here to see answer by stanbon(26295)

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