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# which of the following options is an equivalent function to f(x) = 4(3)2x?

Which of the following options is an equivalent function to f(x) = 4(3)2x?
A.f(x)= 36x
B.f(x)= 4(9)x
C.f(x)= 144x
D.f(x)= 4(6x)

0 0 374
Nov 4, 2015
if you are doing exponents please write superscripts with an arrow up

4^3 = 444 = 64

2^(2*3) = 2^6

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posted by Damon
Nov 4, 2015
It is exponents

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posted by April
Nov 4, 2015
But what is the exponent ?
Please use standard notation.

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posted by Damon
Nov 4, 2015
Which of the following options is an equivalent function to f(x) = 4(3^2x?
A.f(x)= 36^x
B.f(x)= 4(9)^x
C.f(x)= 144^x
D.f(x)= 4(6x)
I think that’s how you put the exponents in standard notation

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posted by April
Nov 4, 2015

The answer is b

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posted by April
Nov 4, 2015
3^(2x) = (3^2)^x = 9^x
so
4 * 3^(2x) = 4 * 9^x

agree B but watch notation carefully 🙂

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posted by Damon
Nov 4, 2015