The questions are in the photos below: I would like them all solved correctly.

Question 4 Not yet answered Marked out of 1.00 F Flag question Use implicit differentiation to find a), for the curve given by x2+4y2xy Question 5 Not yet answered Marked out of 1.00 V Remove flag d Use implicit differentiation to find a), for the curve given by d_y dx 4x2 + y = cos(yx). Question 6 Not yet answered Marked out of 1.00 '7 Flag question Consider the following equation describing a curve in 2-space: Use implicit differentiation to calculate dy Identify the following points on the curve: x2+7x+y2y=15 1. The xvalue where the tangent(s) to the curve are horizontal. x: [:1 2. The y-value where the tangent(s) to the curve are vertical. y: [:1 Question 3 Not yet answered Marked out of 1.00 F Flag question Use implicit differentiation to find a), for the curve given by sin(y) = 7x3. Question 2 Not yet answered Marked out of 1.00 F Flag question Differentiate the following inverse trigonometric function r=i:] f(x) = tan'1 (4 x)