Find the derivative of the function and find an equation of

Question

Question 1: Find the derivative of the function.

B(t) = 6 + 6e^-4t

B'(t) =

Question 2: Differentiate the following function.

y = 8x⁹

Y' =

Question 3: Find an equation of the tangent line to the curve at the given point.

y = 4x² - x³, (1, 3)

Y =

Illustrate by graphing the curve and the tangent line on the same screen.