Respuesta :

Answer:

f(3) = 45

Step-by-step explanation:

Substitute x = 3 into f(x) and evaluate

f(3) = 15 × 3 = 45

Step-by-step explanation:

Evaluate the function rule for the given value.

f(x) = 15x for x = 3

Substitute the value of x:

f(3) = 15·3

f(3) = 45   The answer is 45

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