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(Solved): Find the function value, If possible. (If an answer is undefined, enter UNDEFINED.) \[ f(x)=|x|+4 \ ...
Find the function value, If possible. (If an answer is undefined, enter UNDEFINED.) \[ f(x)=|x|+4 \] (a) \( f(7) \) (b) \( f(-7) \) (c) \( f\left(x^{2}\right) \)
![Find the function value, If possible. (If an answer is undefined, enter UNDEFINED.)
\[
f(x)=|x|+4
\]
(a) \( f(7) \)
(b) \( f(](https://media.cheggcdn.com/study/c77/c77bbef3-0210-46d5-aad0-a4820f44cfee/image)