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  • 12-04-2022
  • Mathematics
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If s(x) = 2-x2 and t(x) = 3x, which value is equivalent to (s° f)(-7)?

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jiangjacky1234ozqz8r
jiangjacky1234ozqz8r jiangjacky1234ozqz8r
  • 12-04-2022

Answer:

-439

Step-by-step explanation:

Think of the question as s(f(-7))

First replace x with -7 in the equation f(x)= 3x

s(-7) = 3*(-7)

s(-7) = -21

now it is s(-21)

we substitute -21 into the s(x) equation to get [tex]2-(-21)^2[/tex]

That gives you 2-441 = -439

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