Given h(x)=x^3+3, find the equation of the secant line passing through (-4,h(-4)) and (2,h(2))

An object is moving along a straight path that runs north and south .Its velocity, in feet per minute , is given by  v(t) 18-8t+3t^2, where north is the positive direction. After 10 minutes, is the object north of its starting position or south?

Choose the function that expresses the relationship 15x+5y^(3)=4 as a function, y=f(x), if possible.

Line perpendicular to x -2y=3 and containing (-3,1)