Function $f$ is $f ( x ) = \left\{ \begin{array} { c }
x ^ { 2 } \quad \text { if } - 13

Name: Function $f$ is $f ( x ) = \left\{ \begin{array} { c } x ^ { 2 } \quad \text { if } - 13 < x \leq 0 \\ \sqrt { x } \text { if } 0 < x \leq 49 \end{array} \right.$ . Find $f ( 9 )$ . A)81 B) 3 C) 4 D) -3 E) No solution
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Question

Function $f$ is $f ( x ) = \left\{ \begin{array} { c } 
x ^ { 2 } \quad \text { if } - 13 < x \leq 0 \
\sqrt { x } \text { if } 0 < x \leq 49
\end{array} \right.$ . 
Find $f ( 9 )$ .
A)81
B) 3
C) 4
D) -3
E) No solution

Quizplus · Accepted Answer

For $f(9)$, since $9$ falls in the range $0 < x \leq 49$, we use the second part of the function, $\sqrt{x}$. Therefore, $f(9) = \sqrt{9} = 3$.

Function fff Is f(x)={x2 if −13<x≤0x if 0<x≤49f ( x ) = \left\{ \begin{array} { c } x ^ { 2 } \quad \text { if } - 13 < x \leq 0 \\\sqrt { x } \text { if } 0 < x \leq 49\end{array} \right.f(x)={x2 if −13<x≤0x​ if 0<x≤49​

Function $f$ Is $f ( x ) = \left\{ \begin{array} { c } x ^ { 2 } \quad \text { if } - 13 < x \leq 0 \\\sqrt { x } \text { if } 0 < x \leq 49\end{array} \right.$