Complete the following.

(a) Findf(x) for the indicated values ofx, if possible.

f(x)=square root x9 for x=8, a+3 (I don't know how to make the square root symbol on the computer)

Evaluatef(x) for x=8. Select the correct choice belowand, ifnecessary, fill in the answer box to complete your choice.

A.

f(8)=

nothing

(Type an exactanswer, using radicals as needed. Simplify youranswer.)

B.

The value of f(8) is undefined.