Which of the following options is an equivalent function to f(x) = 2(5)^2x?

f(x) = 50x
f(x) = 100x
f(x) = 2(25)x
f(x) = 4(25)x

1 answer

well, 5^(2x) = (5^2)^x = 25^x

so, what do you think?
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