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Question 854067: Given the function f(x)=x^2+4x+2, find the domain.
Click here to see answer by tommyt3rd(5050)

Question 852165: For this function, calculate the equation of the tangent line at the given point:
f(x) = sqrt of 6x at the point (6,6).

Click here to see answer by tommyt3rd(5050)

Question 862158: evaluate the function for the given value
f(x)=-2/3x when x=-9
Click here to see answer by Fombitz(32388)

Question 862333: make an input output table for the function y=3x-2 with domain 1,2,3
Click here to see answer by ewatrrr(24785)

Question 862771: hello I would appreciate any help 1). if 2^-x=1/3 then what does 4^x=
Click here to see answer by Alan3354(69443)

Question 862977: Differentiate with respect to x : y =
e x sinx
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Question 862979: Differentiate with respect to x : y =
x 2 cosx
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Question 863040: If y =cosx.sinx, differentiate with respect to x.
Click here to see answer by Alan3354(69443)

Question 863044: If y=
5e x cosx
,differentiate with respect to x.
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Question 863051: The resistance ,R, of a wire is given by :
Click here to see answer by richwmiller(17219)

Question 863049: Find the position and magnification,m,of the image formed by a concave mirror of focal length 24 cm when an object is placed 40 cm from the mirror given that m is
V/U
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Question 862970: the curve y=ax2+bx+c passes the points (1,8), (0,5) and (3,20)
find the values of a,b,c
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Question 863155:
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Question 863155:
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Question 863155:
Click here to see answer by richwmiller(17219)

Question 863232: If y=
2x 5 .cosx
, differentiate with respect to x.
Click here to see answer by Fombitz(32388)

Question 863282: Find the inverse of the function. IF the function does not have inverse write NO INVERSE.
f(x) = �2x � 4

f^-1(x)= ?
Click here to see answer by Fombitz(32388)

Question 863257: Let f(x)=-2x -1 and g(x)=x^2+3
Find (f o g) (-5)
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Question 863384: f(x)=(x+8)^2-2
Domain and range of function
Click here to see answer by ewatrrr(24785)

Question 863556: What represents a function that has -3 as a zero?
Click here to see answer by Fombitz(32388)

Question 863741: for the equation y-3=3(x+1), i need to write an equation in standard form of a perpendicular line that passes thru (5,1). i came up with y-1=m(x-5)--is that the right answer?
Click here to see answer by richwmiller(17219)

Question 863828: what does it mean Functions? Please explain that in English witout using mathmatical symbols
Click here to see answer by solver91311(24713)

Question 864091: Write an equation in function form that represents the number y of pies made each hour x.
A factory that makes frozen pies produces 300 pies per minute.
Click here to see answer by ewatrrr(24785)

Question 864117: Differentiate the following with respect to x :
(6x 5 −3x 4 −2x 3 )
Click here to see answer by ewatrrr(24785)

Question 864129: Create an input-output table for the following equation y=18,000x. Use inputs 1, 2,4,8, and 10.
Click here to see answer by richwmiller(17219)

Question 864133: I was asked to provide an example of a function using the varieable x and evaluate my work I'm lost
Click here to see answer by ewatrrr(24785)

Question 864144: (1/4)(x+5) = (1/2) (2x-3) need help
Click here to see answer by Fombitz(32388)

Question 864222: What is the "Domain" of:
8x / (over) x squared - 7x + 10 ?
Click here to see answer by ewatrrr(24785)

Question 864510: Graph -3x^2 + 12y^2 = 84. What are the domain and range?
Click here to see answer by ewatrrr(24785)

Question 864545: How do i find a function that has a domain of x>1/2 and x does not equal 3 or 5?

Click here to see answer by Fombitz(32388)

Question 864545: How do i find a function that has a domain of x>1/2 and x does not equal 3 or 5?

Click here to see answer by stanbon(75887)

Question 864632: let f(x)=7x and g(x)=2x^2+6 evaluate for (f*g)(4) ; (g*f)(2) ; (f*f)(1) ; (g*g)(0)
Click here to see answer by stanbon(75887)

Question 864585: Find the domain of the function:
f(x)= (x+15)/(x^2-289)
Click here to see answer by lwsshak3(11628)

Question 864582: Find the domain and range of the function:
h(x)=sqrt(x)+9
Click here to see answer by lwsshak3(11628)

Question 865326: how do i find f(x)=x-7 and g(x)=4-x
Click here to see answer by Alan3354(69443)

Question 865314: I'm having lots of trouble with this problem! Anyone who can help it would be great! THANKS!
If f(x)= 5x+7 and g(x)=x-4, find (f*g)(x) and (g*f)(x)
(f*g)(x)=____
(g*f)(x)=____
Click here to see answer by Alan3354(69443)

Question 865904: Graph the function y=x^2 -6x+1
A. State the domain over which the function is increasing.
B. state the range of the function.
C. Describe the end behavior of the function.
Click here to see answer by ewatrrr(24785)

Question 865946: find the composition of functions (fog)(x).
g(x) = 3x, f(x) = x + 1
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Question 865763: Hi there could you please help me understand how to figure out question (7iii) in the following past exam paper. Here is the link, thank you.
http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w10_qp_12.pdf
Click here to see answer by Fombitz(32388)

Question 866343: What f(x) when x=-6
Click here to see answer by Fombitz(32388)

Question 866539: find an equation of variation where y varies directly as x and y = 100 when x=4
Click here to see answer by jim_thompson5910(35256)

Question 866772: Use set notation to write the domain of the following function:
f(x)= 2x+3/4x^2-14x-18
Click here to see answer by Fombitz(32388)

Question 866921: how to determine the domain of f(x)=2/ (x-8)(x=7)
Click here to see answer by richwmiller(17219)

Question 867044: what is the domain of the function f(x)=3x^2/x^2-49
Click here to see answer by jim_thompson5910(35256)

Question 867076: hi everybody, i have a question from functions that i can't quite solve the question is use any value to make f(x)=0 and the formula is f(x) = 3x+2/2x+4 and the answer is x= -2/3 so do anybody here have an ideal on how to solve this question? any help will be greatly appreciated.

Click here to see answer by jim_thompson5910(35256)

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