What is the domain of the function f(x) = 2x + 5?

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

Find the commission on a $590.00 sale if the commission is 15%.