The line plot below shows the number of hours Mr. Jacobson spent writing for each of the last nine days.

What is f(3) for the quadratic functionf(x)=2x2 + x – 12? f -3g 3h 6i. 9

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

X+y=-4 x-y=2 use elimination with adding and subtraction