We can seperate (3b³) into two different parts, the constant and the variable.
The constant (3) and the variable (b) can both be squared and multiplied to get the correct answer, so:
3² = 9
(b³)² = 
So, 
Answer:
No
Step-by-step explanation:
f(x) = x²
f(3) = 3²
= 3 × 3
= 9 Not 16
also
√16 = 4