axelarmstrong434 axelarmstrong434

04-05-2022
Mathematics

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2 For f(x)=3x(x + 5), find f (-2).
A-18
B 18
C -42
D 42

Respuesta :

renknee renknee

04-05-2022

Answer:

A. -18

Step-by-step explanation:

» Application

To find the value of f(-2), we have to plug in the value of -2 for each x in the equation.

» Solution

[tex]f(-2)=3(-2)(-2+5)[/tex]
[tex]f(-2)=-6(3)[/tex]
[tex]f(-2)=-18[/tex]

Thus, f(-2) = A. -18.

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