3 years ago

F(x) = 3(x + 5)2 + 9 find f(-7)

1 answer:

6 0

Answer:

f(-7)=21

Step-by-step explanation:

$f(x)=3(x+5)^2+9\\\\f(-7)=3(-7+5)^2+9\\\\f(-7)=3(-2)^2+9\\\\f(-7)=3*4+9\\\\f(-7)=12+9\\\\f(-7)=21$

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