Answer:
Step-by-step explanation:
g(x) = 2x
h(x) = x² + 4
To find (g• h) (3) first find ( g • h)(x)
To find ( g • h)(x) substitute h(x) into every x in g(x)
That's
( g • h)(x) = 2( x² + 4)
( g • h)(x) = 2x² + 8
Now substitute 3 into ( g • h)(x)
(g• h) (3) = 2(3)² + 8
= 2(9) + 8
= 18 + 8
Hope this helps you
