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OpenStudy (amy0799):
Consider the function http://prntscr.com/90izfw
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OpenStudy (trojanpoem):
Take the derivative for the function: f'(x) = 2 + 3cos(x) let , f'(x) = 0 3cos(x) = -2 cos(x) = -2/3 (negative in 2nd, 3rd quarter) ( in the interval (0, 360) ) x = 180 - 48.18 = 131.8 , x = 180 + 48.18 = 228.18 |dw:1447011573858:dw|
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