Question 2: Find the derivative of the given function.

$$ y=x^2\sin^9(x)+x\cos^{-2}(x) $$

• Solution:

Question 3: Find the derivative of the function.

$$ y=(2x+3)^4(3x+4)^{-2} $$

• Solution:

Question 4: Find the derivative of the given function.

$$ y=(x^2-2x+2)e^{7x/2} $$

• Solution:

Question 7: Find the derivative of the given function.

$$ y=\cos(e^{-5\theta ^2}) $$

• Solution: (you can Chain Rule more than once)

Question 8: Find $\frac{dy}{dt}$ for $y=\sin^2(6\pi t-5)$.

• Solution: