rebecca101 rebecca101

11-10-2018
Mathematics

contestada

The function f is defined by f(x) = x^2 + 2
Find f(4x)

PLEASE SOMEONE HELP ME THANK YOU!!

Respuesta :

natgeo19 natgeo19

11-10-2018

it's simple,

f(x)=x^2+2
is the formula that you start with

you are then given f(x). f(4x)

you then plug in 4x

4x=(4x)^2+2

you then solve for x

4x=16x+2
-16x. -16x

-12x=2
÷-12. ÷-12

x=0.16 is your answer

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