11-02-2021
Mathematics

contestada

Using F(x) = 5x^2- 3, what is f(-3)?

A. 42
B. -3
C.-48
D. -42

Respuesta :

ag05596 ag05596

11-02-2021

Answer: 42

Step-by-step explanation

Switch x out with 3

using Pemdas do the exponent first

3^2 is 9

then multiply

5*9= 45

then subtract

45-3=42

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