2 Given f(x) = x²-3x-4, find the difference quotient h2+2xh+x2-2h-3x-4 Oh-2x+3 O h h²+2xh+x² - 3h-3x-4 Oh+2x-3 O x²+h-3x h O None of the above. f(x + h) f(x) where h +0. 7 h

The rate of change of an autocatalytic chemical reaction is kQxkx2 where Q is the amount of the original substance, x is the amount of substance formed, and k is a constant of proportionality. Factor the expression.

Describe the end behavior of each polynomial. (a) y=x38x2+2x15 End behavior: y as x y as x (b) y=2x4+12x+100 End behavior: y as x y as x

Find a fourth-degree polynomial function f with real coefficients that has 2, 2, and 7i as zeros.