Question

If H(5-2x) = x^2+3x+5 for all real numbers x what is the value of h(3)

Answer 1

9

Explanation:

`h(5-2x) = x^2+3x+5 ---eq(1)`

To find h(3),

5 - 2x = 3

⇒ x = 1

sub in eq(1)

`h(3) = 1^2+(3*1)+5\\\\`

h(3) = 9