4. Find the derivative of the following functions: a. y = x² sin x b. y = ex cos x 3 c. y = (x² + 1) ¹ (1 - 1)³

a cos(x²)esin(z²) da -ут 10. TT

Find the equation of the graph given below. Notice that the cosine function is used in the answer template, representing a cosine function that is shifted and/or reflected. Use the variable x in your equation, but be careful not use the multiplication x symbol. -TT/2 7 61 5- 41 3₁ 2- -1- -2₁ -31 -41 -5 -61 0 TT/2 TT (575,-2) 3 3TT/2 7π (75) 3 5TT/2 -2 3πT