melmel53 melmel53
  • 24-08-2018
  • Mathematics
contestada

if f (z)= -7(z+4) - 7 find f (3)

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perixwinkle
perixwinkle perixwinkle
  • 24-08-2018

Let's look at the equation first. We need to find what the output is when z=3.

-7(3+4); now, all we need to do is follow the order of operations in order to get the correct answer.

-7(3+4)→ -7×7 → -49-7→-56

So f(3)=-56

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