Question: 3) Determine if the following functions are decreasing or increasing at ???? = 2, 0 ???????????? 1. a) ????(????) = ln (2???? 3 + 3)

3) Determine if the following functions are decreasing or increasing at ???? = 2, 0 ???????????? 1. a) ????(????) = ln (2???? 3 + 3) b) ???? = ???? 3???? c) ????(????) = ???? 2 + 5???? + 6 d) ???? = 3????+5 45???? 4) Find and classify all stationary/turning points of the following functions. a) ???? = ???? 3 + 1 2 ???? 2 2 -2- b) ???? = ???? 3 + 2???? 2 + 2 c) ????(????) = 2???? 3 3???? 2 + 3

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