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Reptile [31]
3 years ago
13

If f(x)=3^x, then f(-2)= ? A.1/9 B.9 C.-6 D.-9

Mathematics
1 answer:
statuscvo [17]3 years ago
7 0
You start by plugging in x=-2 into f(x)
f(-2) = 3^-2
Which gives you
f(-2) = 1/3^2 since negative exponents change the number to a dividend.
Then you square the 3
f(-2) = 1/9 or .111 repeating
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