For the function f (x) = r2 + 3, what is the value of f(-4)? O A. -13 OB. – 5 O 0.1 OD. 19 ​

What is the difference between regular convex and concave polygons

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.