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09-12-2019
Mathematics

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NEED ANSWERED ASAP!!!!
Let f(x)=x+2 and g(x)=x^2. Find (g*f)(-5)
A. 9
B. -3
C. 49
D. -19

Respuesta :

09-12-2019

Answer:

The answer is A

Step-by-step explanation:

f(x) = x+2

g(x) = x²

g(fx) = (x+2)²

= x²+4x+4

g(fx)(-5) = (-5)²+4(-5)+4

= 25 - 20 + 4

= 9

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