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Solve 4^(-x+0.5)-7.2^(-x)lt 4...

Solve `4^(-x+0.5)-7.2^(-x)lt 4 `

A

`(-2, oo)`

B

`(2, oo)`

C

`(-oo, -2)`

D

`(-oo, 2)`

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The correct Answer is:
A
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