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Mathematics 9 Online
OpenStudy (anonymous):

is the equation an eaxmple of groth or decay? y=2.1(0.15)^x

OpenStudy (anonymous):

decay?

OpenStudy (blockcolder):

Check the sign of the exponent. If it's positive, it's growth. Otherwise, it's decay.

OpenStudy (anonymous):

so would it be growth or decay?

OpenStudy (blockcolder):

Growth.

OpenStudy (anonymous):

what about y=4^x

OpenStudy (blockcolder):

Still growth. :D

OpenStudy (anonymous):

Thankya!!!!

OpenStudy (blockcolder):

No problem. :D

OpenStudy (anonymous):

sorry y=2(3)^-x I ment

OpenStudy (blockcolder):

That one's decay.

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