15 December, 07:02
What is the value of f (x) = (2) (2^x) for f (-2) ?
15 December, 07:15
substitute - 2 for x.
any number to negative power must be flipped. 2^-2 = 1 / (2^2) = 1/4
(2) (2^-2) = (2) (1/4) = 2/4 = 1/2
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