Question

Which exponetial function goes through the points 1,8 and 4,512

f(x)=4(2)^x
f(x)=8(2)^-x
f(x)=4(4)^-x
f(x)=2(4)^x

Answer 1

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Answer 2

D,


f(x) = 2(4)^x

x = 1

x = 4


f(1) = 2(4)^1
f(1) = 2(4)
f(1) = 8 ----> (1,8)


f(4) = 2(4)^4

f(4) = 2(256)
f(4) = 512 ------> (4,512)

Answer 3

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Answer 4

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Answer 5

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Answer 6

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