Find f(-3) for f(x) = 4(2)^x. ОА. 1/8 O B. -32 O C. -24 OD. 1/2

asked Apr 8, 2023 3.2k views

6 votes

Find f(-3) for f(x) = 4(2)^x.
ОА. 1/8
O B. -32
O C. -24
OD. 1/2

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2 votes

Answer:

Explanation:

using the rule of exponents

a^(-m) =
(1)/(a^(m) )

substitute x = - 3 into f(x)

f(- 3) = 4(
(2)^(-3) = 4 ×
(1)/(2^(3) ) = 4 ×
(1)/(8) =
(1)/(2)

Yadab answered Apr 15, 2023

by Yadab

5.3k points

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