Evaluate the given function.
-$$f ( x ) = x ^ { 4 } , f \left( b ^ { 5 } \right)$$
A) $b ^ { 9 }$
B) 20
C) $b ^ { 20 }$
D) $x ^ { 4 } b ^ { 5 }$

Name: Evaluate the given function. -\[f ( x ) = x ^ { 4 } , f \left( b ^ { 5 } \right)\] A) $b ^ { 9 }$ B) 20 C) $b ^ { 20 }$ D) $x ^ { 4 } b ^ { 5 }$
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Question

Quizplus · Accepted Answer

To find $f\left(b^5\right)$, we need to substitute $b^5$ for $x$ in the expression for $f(x)$. This gives $f(b^5)=\left(b^5\right)^4=b^{20}$. Therefore, the answer is choice C, $b^{20}$.

Evaluate the Given Function f(x)=x4,f(b5)f ( x ) = x ^ { 4 } , f \left( b ^ { 5 } \right)f(x)=x4,f(b5)

Evaluate the Given Function $f ( x ) = x ^ { 4 } , f \left( b ^ { 5 } \right)$