2. factor the expression below (rewrite each sum as a product).
3x2 - 14x - 5

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.