Give f(x)= -5x+4n, find the value of f(-3)

Bring the fraction a/a-4 to a denominator of 16-a^2

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe

What is the point slope form of a line with slope -5 that contains point (2,-1)