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slamgirl [31]
3 years ago
9

Given f(x) = 3x-4 and g(x)= -2x+7 evaluate. PLEASE HELP.

Mathematics
2 answers:
Roman55 [17]3 years ago
8 0

see the attachments below for the steps :)

The simplified expression is as follows:

d(-3x^2 + 9x - 14)

Softa [21]3 years ago
4 0

Answer:

-21

Step-by-step explanation:

The given functions are

f(x)=3x-4

g(x)=-2x+7

We need to find the value of (g\circ f)(6).

The substitute x=6 in f(x), to find the value f(6).

f(6)=3(6)-4=18-4=14

The substitute x=14 in g(x), to find the value g(14).

g(14)=-2(14)+7=-28+7=-21

According to the composition of functions,

(g\circ f)(x)=g(f(x))

Substitute x=6 in the above formula.

(g\circ f)(6)=g(f(6))

(g\circ f)(6)=g(14)

(g\circ f)(6)=-21

Therefore the value of (g\circ f)(6) is -21.

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