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Score on last try: 0.5 of 1 pts. See Details for more. > Next question Get a similar question You can retry this question below If f(x) = 3 sin x + 9 cos x, then f' (x) = 3 cos( x ) - 9 sin (x) f' (5) =Score on last try: 0.5 of 1 pts. See Details for more. > Next question 8 Get a similar question You can retry this question below if aw) = 4m sins: cos 3:, find f($)= 4a: sin2(:z:) +43: (3052(3) +4cos(a:) sin(:v) 0" f-m =:} Score on last try: 0.5 of 1 pts. See Details for more. > Next question 23 Get a similar question You can retry this question below 3sina: If f(93) = m, then 3(1+3cos(m)) Hm) = Use the quotient rule to find the derivative of 4 sin(ac) + 2 5ac4 + 4 You do not need to expand out your answer. Be careful with parentheses!Where, on the interval 0, 27], does the following function have a horizontal tangent line? f(x) = 16 sin(x) + 2x f (ac) has horizontal tangents at @ = Note: Answer in radians. Round answers to 4 decimal places.The height of a projectile (in meters) 9: minutes after it has been launched is given by f(a;) = 2:1: + 4si11(:c) Find the velocity function, a = :1 Find where on the interval from [0, 71'] the projectile has a velocity of zero, Use your previous answer to find the height of the projectile when its velocity is zero rounded to three decimal places