The function f(x) is defined below. What is the end behavior of f(a)?
f(x) = 200 – 65x + 5x2

Is the square root of 4 plus the square root of 16 rational?

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit