Given that f(x) =x^2-3/3
a) Find f(3)
b) Find f'(x)
c) Find f'(11)

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

The tile along the edge of a triangular community pool needs to be replaced? ?