How do you find #p(-2)# if #p( n ) = 2^ { n }#?

1 Answer
Johnny L.
Sep 2, 2017

#p(-2)=1/4#

Explanation:

We need to put -2 in for n to figure out what #p(-2)# is:

#p(-2)=2^(-2)#

When you raise a number to a negative exponent, you flip the number into its reciprocal and make the exponent positive.

#p(-2)=2^(-2)=1/2^2=1/4#

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