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Which exponential function goes through the points (1, 16) and (4, 128)? f(x) = 4(4)^x f(x) = 8(2)^x f(x) = 8(2)^−x f(x) = 4(4)^−x

Which exponential function goes through the points (1, 16) and (4, 128)? f(x) = 4(4)^x f(x) = 8(2)^x f(x) = 8(2)^−x f(x) = 4(4)^−x
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5 votes
Which exponential function goes through the points (1, 16) and (4, 128)?

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

asked
User David Van Brink
by
8.5k points

2 Answers

5 votes

Answer:

f(x) = 8(2)^x

answered
User MozenRath
by
8.4k points
2 votes
I believe it the first one
answered
User MaddTheSane
by
7.9k points
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