SOLUTION: Let f(x)=x^2−4 and g(x)=4x+1, evaluate the following. a. f(−4) = b. f(−1)+g(−1) = c. 3f(x)−g(x) = d. f(g(4)) = e. g(f(4)) =

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Question 923330: Let f(x)=x^2−4 and g(x)=4x+1, evaluate the following.
a. f(−4) =
b. f(−1)+g(−1) =
c. 3f(x)−g(x) =
d. f(g(4)) =
e. g(f(4)) =

Found 2 solutions by ewatrrr, MathLover1:
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
f(x)=x^2−4 and g(x)=4x+1
Plug and Play
a. f(-4) = 12
b. f(−1)+g(−1) = -3 -3 = -6
c. 3f(x)−g(x) = 3(x^2 - 4) - (4x+1) = 3x^2 - 4x - 13
d. f(g(4)) = f(17) = 285
e. g(f(4)) = g(12) = 49

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

Let and , evaluate the following.
a. =




b.

c.

d. =
first find

now find

so,

e. =





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