Find the average rate of change of f(x)= x^2-5x+2 from x=3 to x=8.

simplify your answer as much as possible.

Will mark brainliest question in the pic.

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?