Find the domain and range of the function represented by the graph.

For what values of x is x2 + 2x = 24 true?

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Simplify. 3(4+4x) (type your answer in with no spaces)