3 years ago

Find (-4) for f(x) = 9(3)^x A. -108 B. 1/3 C. -729 D. 1/9

Mathematics

1 answer:

avanturin [10]3 years ago

3 0

Answer:

Step-by-step explanation:

9(3)^-4

3^2 × (3^-4)

in algebraic expression a^n × a^m = a^n+m

3^2+(-4)

3^-2

but 3^-2 = 1/3²

1/3²= 1/9

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