Problems 1 - 12, Sketch the region bounded by the graphs of the equations and find its area. 1. y = x2; y = 4x 2. y = x2 + 1;y=5 12 9 12 -27.9 3. x = y' ; x- y=2 4. y2 = 4 +x; y2 + x=2\f[CALCULATOR.] 10. [CALCULATOR.] y = 2 sin x ; y = tan x ; - = s ISXS- y = 2 sin x ; y = cos 2x ; 0 S x S n 11. y = x2 ; y =_, 2, y = 9 Quadrant I 12. y = 12 - x2 , y = -x, and y = 4x for y 2 0