Question 3

Find the derivative of f(x) =
6x^6 – 3x^3

f'(x) =

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year? show your work and explain your reasoning in the space provided below.