1,744 Answered Questions for the topic Functions
Functions
02/14/16
Functions of f and g
1. Find (f º g)(-7) and (f º g)(-7)
f(x)=2x-1; g(x)=x2-5
2. Find (f º g)(x) and (f º g)(x) and the domain of each
f(x)=x2+2; g(x)=√8-x
Thanks! (Please note that "8-x" is inside the radical sign
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Functions
02/12/16
Functions for math
"Start with one of the parent functions f(x) = 1/x, f(x) = √x or f(x) = |x| anda. write the transformed function if we shift f(x) left 2 units, stretch it vertically by a factor of 3 and shift down...
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Functions
02/11/16
f(x) question
Select the approximate values of x that are solutions to f(x) = 0, wheref(x) = -5x^2 + 5x + 7.
A. {1.78, –0.78} B. {-5, 5} C. {–1.00, –1.40} D. {–0.71, 0.71}
so from last time I posted the...
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Functions
02/11/16
f (x) question
Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -7x^2 + 9x + 5
A. {–1.40, 1.80} B. {-7, 9} C. {–1.29, –0.71} D. {–0.42, 1.70}
explain the answer so I can...
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Functions
02/08/16
if f(x) = -3x + 2, explain how to determine f(4).
if f(x) = -3x + 2, explain how to determine f(4).
Functions
02/08/16
You know that the point (1,2) is on the graph of a function of f . Give the coordinates of a point that you know is not on the graph of f. Explain
You know that the point (1,2) is on the graph of a function of f . Give the coordinates of a point that you know is not on the graph of f. Explain
Functions Piecewise Function
02/05/16
Can someone check my work and also help
Can someone help me with this equation. I am not sure I did this correctly but I watched many videos to help me solve this problem and this is what I have so far.
Consider the graph of the...
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Functions
02/03/16
can someone help with my question
Let f(x)=|6-x|.(a) State the zero(s) of the function.(b) Which of the following is true? A. f is an even function.B. f is an odd function.C. f is both even and odd.D. f is neither even nor...
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01/25/16
Please help me with function decomposition? Pre-Calculus?? Very confused!
1. Given the composition h(x)=f(g(x))
If h(x)=(x+3)^8 and f(x)=x^8, find the function g(x).
2. Given the composition h(x)=f(g(x))If h(x)=1/x+3 and g(x)=x+3 , find the function...
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Functions
01/17/16
I just need to create correct examples. I did some but she said they were incorrect. I really need help
Consider the parent quadratic function f(x) = x2. Give the equation of a function that represents a horizontal translation of the parent, that is, it has moved right or left. (Many correct examples...
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Functions
12/23/15
Refer to function f,g and h. Evaluate the function for the given value of x. write any number in the answer as an integer or a simplified fraction.
Refer to function f,g and h. Evaluate the function for the given value of x. write any number in the answer as an integer or a simplified fraction.
f(x)=x^3+3x
g(x)= under root...
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Functions Function
12/21/15
f(x)=root (x-2),g(x)=x^2+x.the function (f*g)(x) is defined for x = all real numbers except for interval a,b 1.calculate the value of a and b 2.find the range o
f(x)=root (x-2),g(x)=x^2+x.the function (f*g)(x) is defined for x = all real numbers except for interval a,b
1.calculate the value of a and b
2.find the range of (f.g)
What is the domain and range of the function x^4+y=42
Write your answers in interval notation, separated by a semicolon.
Only need answer no explanation
Functions
12/21/15
Functions question
f(x)= x2+6x+8
A(-4,0)
B(-2,0)
C(0,8)
what is the relationship between the value of c and the roots of f(X)?
is there a relationship between the roots and the coefficient Of X? Explain your...
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Functions
12/21/15
Functions Question
if f(x)= x2+6x+8 has the roots of -8 and 2, what most the value of k be?ii) if f(x)=x2+6x+8 has equal roots; what's the value of k?
Functions
12/14/15
i need to find a equation with (5,-5);2x+3y=7
i need to find a equation with (5,-5);2x+3y=7
Functions
12/11/15
f(x)=1/4x+3, find the value of x for which f(x)=x.
f(x)=1/4x+3, find the value of x for which f(x)=x.
Functions
12/07/15
Finding the funtion
How do you find the function with the following points (1,9) (2,10.5), (3,13) (4,14.50)
Functions
12/07/15
Fill in the blanks. 1. a(x-h)²+k is_____________ form where (h,k) is the____________.
Please help
Functions
12/07/15
1. ax²+bx+c is ____________ form where -b/2a gives the x value of the __________ and the c value is the __________.
Help please
Functions
12/07/15
Fill in the blanks. 1. (x-p)(x-q) is ________________ form where p and q are the _________.
Help please
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