Respuesta :

Answer:

f(− 3) = 84

Step-by-step explanation:

Given the function,  f(x) = 7(9 − x), to find the value of f(-3) substitute x = -3 into the function:

f(− 3) = 7(9 − (− 3))

f(− 3) = 7(9 + 3)

f(− 3) = 7(12)

f(− 3) = 84

Therefore, f(− 3) = 84.

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