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What is the value of f(2)?

Correct Answer:

**B**n

^{-x}= 1/n^{x}- The first impulse may be to substitute n = 2 to begin with, and then solve by taking all the numbers out to their exponents. However, it is not necessary to do so, and it is best to wait to substitute n=2 into the function until the end. By waiting, you can simplify the equation greatly, without worrying about huge numbers. The key to solving this problem is to remember that x
^{-y}equals 1/x^{y}. So first of all, we will change any negative exponents to positive exponents by moving them to the opposite side of the divisor line.

- Solve for f(2)

16(2)^{2}= 16(4) = 64