3 years ago

HELP ASAP! it's for a math quiz so thanks

Mathematics

1 answer:

satela [25.4K]3 years ago

5 0

I’m 90% sure that the answer is 36x

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The doctor has told Cal O'Ree that during his ten weeks of working out at the gym, he can expect each week's weight loss to be $

Sergio [31]

Answer:

220.67 pounds

Step-by-step explanation:

This problem can be treated as a compounded interest with a weekly rate of -1%. Cal's weight after 'n' weeks at a 1% loss rate per week is described by the following expression:

$W = 244*(1-0.01)^n$

For n = 10 weeks, Cal's weight is:

$W = 244*(1-0.01)^{10}\\W=220.67\ pounds$

He expects to weigh 220.67 pounds at the end of the ten weeks.

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3 years ago

Please help!! If f (x) = e^x sin x, then f’ (x) =

shusha [124]

Answer:

$f'(x) = {e}^{x}( \sin x + \cos x )$

Step-by-step explanation:

$f(x) = {e}^{x} \sin x \\ \\ f'(x) = \sin x \frac{d}{dx} {e}^{x} + {e}^{x} \frac{d}{dx} \sin x \\ \\ f'(x) = \sin x \: {e}^{x} +{e}^{x} \cos x \\ \\ f'(x) = {e}^{x}( \sin x + \cos x )$