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The maximum afternoon temperature $t$ (in degrees Fahrenheit) for the city of Wanalose Bay is modeled by the equation:

$$t=-30\cos\left(\cfrac{\pi x}{6}\right)+60$$

...where $x$ represents the month with $x=0$ representing January. Find the maximum afternoon temperature for the month of May.

A

$\text{45 degrees}$

B

$\text{60 degrees}$

C

$\text{75 degrees}$

D

$\text{85 degrees}$

E

$\text{95 degrees}$

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