Points] DETAILS MY NOTES HARMATHAP12 7.5.007.MI. w many 5-digit numbers can be formed from the digits \( 1,2,5,6,7,8 \), and 9 if the followir (a) Each digit may be used once in each number. numbers (b) Each digit may be used repeatedly in each number. numbers

Simplify \( 4+\sqrt{117} \)

For the following function, find the value of \( (a) f(-5) \) and (b) \( f(4) \), if possible. \( y=\left\{\begin{array}{l}x^{2}-4 \text { if } x \leq 0 \\ x^{3}+4 \text { if } x>0\end{array}\right. \) A. \( f(-5)=\square \) (Simplify your a a \( [ \) (aswer.) B. There is no solution.

Question simplify: \( \sqrt{\frac{294}{6}} \)

Question Simplify: \( \sqrt{9+16} \) (Enter \( \varnothing \) if your answer is not a real number.)

Question simplify \( \sqrt[3]{-128} \). Express the answer using a positive radicand.