please help me with the circled questions

Exam Review 1 1. Find the real solutions, if any, of the equation 7. Sketch a graph of each of the following functions. Label at 312+x-1=0. least three points on each graph. Name the inverse function 2. Find an equation for the line containing the points (-2, 5) of each and show its graph. and (4, -1). What is the distance between these points? ( b ) y = et (a) y= x3 What is their midpoint? (c) y = sin x, - Ists" ( d ) y = cost, OSX s T 3. Test the equation 3x + yz = 9 for symmetry with respect to the x-axis, y-axis, and origin. List the intercepts. 8. If sin 8 = -- and # 0 (d) f(x) 28(x) (a) Find the real zeros and their multiplicity. (b) Find the intercepts