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Question 711742: Whaat is the domain of the function f(x) = sqrt (6-x)?
Click here to see answer by lwsshak3(11628)

Question 711968: Which equation defines y as the value of a function of x ?
A) 8x - y2 = 7
B) x2 - |y | = 9
C) none
D) 3x2 + y2 = 11
Click here to see answer by stanbon(75887)

Question 712319: Any help is greatly appreciated!
Find the domain of the function. f(x)=-7x+3
Click here to see answer by jim_thompson5910(35256)

Question 712498: For f(x)= 1/2x, determine f(1) - f(3)
Click here to see answer by algebrahouse.com(1659)

Question 712491: Function: f(x)= 2x^2-x-1
If f(x)= =1, what is x?

Click here to see answer by algebrahouse.com(1659)

Question 712491: Function: f(x)= 2x^2-x-1
If f(x)= =1, what is x?

Click here to see answer by MathLover1(20850)

Question 712567: I am having problems figuring out how to solve a problem.
Find the requested value.
f(x)=2x^2 -1, g(x) = x+1 find f(4) -g(4)
Click here to see answer by stanbon(75887)

Question 712668: I am trying to figure out how to find the average cost per toaster when the weekly cost (in dollars) of producing x toasters is given by C(x) = 3x + 1800.
Click here to see answer by josmiceli(19441)

Question 712805: Write the function as a set of ordered pairs. Give the domain and range of f.
f={ }
The domain is { }
The range is { }
Click here to see answer by jim_thompson5910(35256)

Question 713310: find the difference quotient for the function f(x) = 9x+6
Click here to see answer by stanbon(75887)

Question 713416: what is the value of A? 2a - 5 = 8a + 7
Click here to see answer by jim_thompson5910(35256)

Question 713448: how do you know the domain of 6x^1/4, cannot be equal to zero?
Click here to see answer by persian52(161)

Question 713545: the domain of the function g(x) = (5x + 1) / (x - 2) is the set of?
Click here to see answer by srinivas.g(540)

Question 713741: how do you solve -4(f(-1)) given f(x)=4x+-7
Click here to see answer by solver91311(24713)

Question 713746: how do you solve -4(f(-1)) given f(x)=4x-7
Click here to see answer by solver91311(24713)

Question 713785: f(x)= square root of 2x-74
f(x)= square root of 7+x g(x)= square root 7-x
h(x)= 20x + 18 -15 less than equal to x less than equal to 4
1 over square root of 3x + 20
f(x)= x +10 over x^2 - 196
these are my 5 problems
Click here to see answer by solver91311(24713)

Question 713997: Find the domain and range of the function:
g(x) = 9/(x-1)
I need help determining the range. I understand that domain contains all real numbers but 1.
Click here to see answer by josgarithmetic(39618)

Question 714235: This deals with average rate of change. I got answers but I have a feeling that they are not correct. Any guidance would seriously be appreciated.
f(x)=x^2+x
Determine the AROC of f from any number x to any number x+t.
So when I worked it out I got 2x+t
I got suspicious that this was incorrect after I did the second problem:
Find the AROC of f from 3 to 7
I got 10 as an answer for that.
These are the same answers as the previous problem which we went over in class and I doubt he was give us two question with all four parts having the same exact answers so I must be doing something wrong.
I am frustrated. Any help please? :)
Click here to see answer by solver91311(24713)

Question 714380: Michael bought some tiger fish T $3 each and some goldfish at $4 each for his new aquarium. If Michael bought a total of 12 fish and spent a total of $40, how many goldfish did he buy
Click here to see answer by harrysgirl143(11)

Question 714383: what is the value of x when 6x + 12 > 0?
Click here to see answer by harrysgirl143(11)

Question 714512: Find the inverse of f(x)=5x+1/6. Then, use your knowledge of composite functions to show that they are indeed inverses of each other. Show work
Click here to see answer by stanbon(75887)

Question 714552: What is the answer the answer to 4�h=10
Click here to see answer by Alan3354(69443)

Question 714507: Find a function that satisfies the given conditions. (The answers here are not unique. Any function that satifies the conditions is acceptable. Feel free to use formulas defined in pieces if that will help.)

lim x--> positive/negative infinity f(x) = 0
lim x--> 2 from the left f(x) = infinity
lim x--> 2 from the right f(x) = infinity
Click here to see answer by solver91311(24713)

Question 714882: What is the sum of 1,605 + 1,219 + 1,119 + 1,153?

Click here to see answer by jim_thompson5910(35256)

Question 714882: What is the sum of 1,605 + 1,219 + 1,119 + 1,153?

Click here to see answer by Alan3354(69443)

Question 714842: Hello, thank you for helping me!
Show work please: Use rational zeros theorem to find all the real zeros of the polynomial function. use the zeros to factor f over the real numbers.
f(x)=2x^3 -x^2 +2x -1
Thanks again!
Click here to see answer by lynnlo(4176)

Question 714931: for the function with rule f(x) = sqrt (25-x), which of following is the maximal domain?
Click here to see answer by MathLover1(20850)

Question 714843: Please show work: The function is a one-to-one. find its inverse and check the answer.
(note: the is all in fraction form 2x is the numerator and x+5 is the denominator)
note: grouping symbols added.
thanks for your help!
Click here to see answer by josgarithmetic(39618)

Question 715061: Given the functions f(x)=3x+2-(4/x) and g(x)= 2-3x, find the indicated values.
a) f(a+b)
b) g(a)-g(a-b)+f(a)
Click here to see answer by lynnlo(4176)

Question 715044: how to graph this:
f(x)=x-1, g(x)=2x+5 and (f-g)(x)
Click here to see answer by ankor@dixie-net.com(22740)

Question 715105: Show work please. consider the functions f(x)=4x-16 and g(x)= x/4 +4.
Find f(g(x)) and g(f(x)) and determine whether the functions f and g are inverses of each other.
thanks so much!
Click here to see answer by josgarithmetic(39618)

Question 715281: domain of f(x)=(9+x^2)^3/4
Click here to see answer by lynnlo(4176)

Question 715446: Select the quotient of (x^3+8x^2+17x+10)/(x+2)
Click here to see answer by stanbon(75887)

Question 715434: A function contains the following four points. (1,1), (7,49), (-1,1), (-10, 100)
What is the domain?
Click here to see answer by josgarithmetic(39618)

Question 715563: A rectangular stage is being built next to a smaller square stage. The length of the rectangular main stage is three times the side length of the square stage. The width of the rectangular stage is twice the square stage's side length.
How can I write "r(x)", a function for the area of the main rectangular stage?
How can I write "b(x)", a function for the total area of both stages?
I know that the smaller stage's area would be x^2 and that this could help me write a function for the other one. But how?
Thanks
Click here to see answer by stanbon(75887)

Question 715882: Rewrite the equation C=29.37q + 42,170 as a function of q.
Click here to see answer by solver91311(24713)

Question 715954: in the problem h(x)=x^2+2x-3, i know the domain is all real numbers, but how come the range is [-4,to infinity). how do I find the range of the problem?
Click here to see answer by stanbon(75887)

Question 716266: PLEASE HELP ME! Explain the steps too. Find domain of f(x)=(sqrt(-10-2x))/(x^2+4x-32)
Click here to see answer by lwsshak3(11628)

Question 716310: hallar el dominio de la raiz de 6x^3-5x^2-2x+1
Click here to see answer by josgarithmetic(39618)

Question 716469: How do I write a domain that doesn't include -4 and is greater than or equal to -2?
Click here to see answer by stanbon(75887)

Question 716457: What would the range and domain be for the function f(x)=(x+2)/(x^2-9)?
Also, for the range would you be able to say all real numbers since the function does cross over the horizontal asymptote?
Click here to see answer by KMST(5328)

Question 717110: f(x)=x+3 and g(x)= x^2-1
I need help with these 2 problems. (f+g)(3) and (f*g)(-2)
Thanks for all the help!
Click here to see answer by nerdybill(7384)

Question 717137: Given f(x)=square root of x and g(x)=2x squared+1. find f circle g(x) and g cicle f(x).
Click here to see answer by solver91311(24713)

Question 717316: or questions 4�5, is the relation a function?
4. {(4, 4), (13, 2), (�5, �12), (�7, 12)} (1 point)
yes
no
5. {(�3, �2), (12, 7), (8, 9), (12, 15)} (1 point)
yes
no

Click here to see answer by jsmallt9(3758)

Question 717404: simplify.. -7-(5x-4)
Im thinking it cant go any further, but not sure if you can take a quantity with unknown interval from a number???
Click here to see answer by Alan3354(69443)

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