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Find f(–4) for f(x) = 9(3)x.

Find f(–4) for f(x) = 9(3)x.
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Find f(–4) for f(x) = 9(3)x.

Find f(–4) for f(x) = 9(3)x.-example-1
User Bahman Rouhani
by
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2 Answers

0 votes

Answer:

1/9

Explanation:

Find f(–4) for f(x) = 9(3)x.-example-1
User Yousf
by
7.4k points
6 votes
subsitute -4 for x
remember that
x^(-m)=(1)/(x^m)

so
for x=-4

f(-4)=9(3)^(-4)

f(-4)=9((1)/(3^4))

f(-4)=9((1)/(81))

f(-4)=(9)/(81)

f(-4)=(1)/(9)
answer is A
User Antoine Bourlart
by
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