Decide if the function is an exponential growth function or exponential decay function, and describe its end behavior using limits. y=0.8^x

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Mathematics

Rolando

30 December, 20:11

Decide if the function is an exponential growth function or exponential decay function, and describe its end behavior using limits. y=0.8^x

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Willie · Answer 1

The negative exponent also means that the function could be written as 1 / (7^x). As x gets big, 7^x gets even bigger, and 1 / (a really big number) approaches 0.

Lim as x--> infinity = 0

Lim as x--> negative infinity = infinity