Answer:
42
Step-by-step explanation:
Given : -
f ( x ) = 4x^2 + 6
To find : -
f ( 3 ) = ?
f ( 3 ) = 4 ( 3 )^2 + 6
= 4 x 9 + 6
= 36 + 6
f ( 3 ) = 42
Answer: F(x)=43x3+6x+C
