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Math Asked by a SnapAndSolve user · about 10 hours ago

of 25 Find f(-3) for f(x) = 4(2)^x. A. 1 B. 8 C. -32 D. -24

Question 21 of 25
Find f(-3) for f(x) = 4(2)^x.
A. 1
B. 8
C. -32
D. -24

Answer

To find f(-3) for f(x) = 4(2)^x, substitute -3 for x:

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

The correct answer is not listed among the options. However, the calculation shows that f(-3) = 0.5.

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