Ask a New Question

Given the following functions f(x) and g(x), solve f[g(7)].

f(x) = 4x + 21

g(x) = 2x + 2

2 answers

f(x) = 4x + 21
g(x) = 2x + 2

g(7) = 2(7)+2 = 16

f[g(7)] = 4(16) + 21
= .....

OR,
f(g(x)) = 4g(x)+21 = 4(2x+2)+21 = 8x+29
so f(g(7)) = 8*7 + 29 = ___

Ask a New Question or answer this question.

Similar Questions

Use your knowledge of exponents to solve.a) 1/2^x=1/(x+2) b) 1/2^x>1/x^2 So I know that these functions are rational functions..
1. 1 answer
1. Consider the functions f(x)=1/(x)+4 and g(x)=2/(x). Graph f and g on the same grid.a) Determine the points of intersection of
1. 2 answers
* Consider the functions f(x)=1/x +4 and g(x)=2/x. Graph f and g on the same grid.a)Determine the points of intersection of the
1. 2 answers
To show how to solve the equation by graphing, create two functions and find their intersection points. What two functions can
1. 1 answer

more similar questions