Question

The function h is defined by h (x)=x² + 3.
Find h (5x).

Answer 1

`25x^2+3`

Explanation:

`h(5x)= \\\\(5x)^2+3= \\\\(5x)(5x)+3= \\\\25x^2+3`

Hope this helps!

Answer 2

25x^2+3

Explanation:

h (x)=x² + 3

Replace x with 5x

h(5x) = (5x)^2 +3

= 25x^2+3