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Cloud [144]
2 years ago
12

Given f(x) = x − 7 and g(x) = x2 . Find g(f(−1)).

Mathematics
1 answer:
ivann1987 [24]2 years ago
8 0

Answer:

64

Step-by-step explanation:

g(f(-1)) can be found by first finding f(-1) then taking that result and putting it into the function g.

f(-1) means we are going to take the expression x-7 and evaluate it for x=-1:  

-1-7

-8

So f(-1)=-8.

So we have this so far:

g(f(-1))=g(-8)=(-8)^2=64.

g(-8) was found by replacing x in x^2 with -8.

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