Is your roller coaster a function? Why or why not?

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

Solve -.016x= -16. need solving this

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points