Evaluate the Given Function
- $f(x)=x^{7}, f\left(b^{3}\right)$ A) $b^{10}$ B) 21
C) $x^{7} b^{3}$

Evaluate the given function
- $f(x) =x^{7}, f\left(b^{3}\right)$

A) $b^{10}$
B) 21
C) $x^{7} b^{3}$
D) $b^{21}$