Question

The function f is defined by f (x) = 2x²+3.
Find f (2x).

Answer 1

Answer:

$f(2x) = 8x^{2} +3$

Step-by-step explanation:

f (x) = 2x²+3

f(2x) = $2(2x)^{2}$ + 3

f(2x) = $2(4x^{2} )$ + 3

f(2x) = $8x^{2}$ + 3