Step-by-step answer:
Given:
k(x)=8x+7q...........................(1)
Evaluate: k(2q^2+3q) .......(2)
Solution:
From (1)
k(x) = 8x+7q
Substitute x=2q^2+3q into (1)
k(2q^2+3q)
= 8(2q^2+3q) + 7q
= 16q^2 + 24q + 7q
= 16q^2 + 31q
