SOLUTION: Algebra 2 lesson on radical and exponential functions Find f(-3) and f(x+1) for the function f(x)= 2^x

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Question 1126535: Algebra 2 lesson on radical and exponential functions
Find f(-3) and f(x+1) for the function
f(x)= 2^x
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
+f%28x%29+=+2%5Ex+

To find f(a) just let x=a and plug into the function f(x):
+f%28-3%29+=+2%5E%28-3%29+=+1%2F2%5E3+=+highlight%28+1%2F8+%29+

Similarly:
+f%28x%2B1%29+=+highlight%282%5E%28x%2B1%29%29+ which can also be written