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jekas [21]
3 years ago
6

Given that f(x) = 2x + 5 and g(x) = x − 7, solve for f(g(x)) when x = −3. (1 point)

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
8 0

Answer:

-15

Step-by-step explanation:

Given : f(x) = 2x + 5

            g(x) = x-7

To Find: solve for f(g(x)) when x = −3

Solution:

f(x) = 2x + 5

g(x) = x-7

f(g(x)) = 2(x-7)+ 5=2x-14+5=2x-9  ---1

Now we are supposed to find f(g(x)) when x = −3

So, substitute x = -3 in 1

f(g(-3)) =2(-3)-9

f(g(-3)) =-6-9

f(g(-3)) =-15

Hence f(g(x)) when x = −3 is -15.

qaws [65]3 years ago
7 0
F(g(x))= 2(g(x))+5 = 2(x-7)+5 = 2x-14+5 = 2x-9
when x= -3
f(g(-3))= 2(-3)-9 = -6-9 = -15
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