7. Graph each of the following under the heading i to vii a. y = 2x2 - x4 b. y = xvx+1 c. y = - x2-1 d. y = cos2x - x, [-2,2] e. y = ex + e-2x i. Domain ii. Intercepts iii. Asymptotes iv. Interval of Increase or Decrease V. Local maximum and minimum values vi. Concavity and points of inflection vii. Sketch of the curve 8. Sketch a possible graph that satisfies all of the following conditions i. f(0) = 1, f(1)=0 ii. f'(x) > 0 for |x| > 1, f'(x) 0 for x > 0 and x