1 and 2 please, using this for a study guide as well, much appreciated!

Math 142 Week 2 Activity. Be sure to show all your work, give EXACT answers unless otherwise noted, and box your answers. Decimal answers will receive zero credit. 10 points total. 1. On the graph at right, graph two periods of the function. On the graph, clearly label the horizontal and vertical scale, the amplitude, and the midline. (4 points) f(t) = 4 sin(2t) - 1 2. Find all solutions to the equation sin (20 ) = - W. Give your answers EXACTLY. (3 points)