its better if the answer was typewritten

DIRECTION. SOLVE THE FOLLOWING PROBLEM. Illustrate the curve. Find the area under the curve of the following. 1. y = 3x from x=1 to x=2 2. y = e from x=0 to x=1 3. y = sinx from x=0 to X=TI 4. y = x from x=-1 to x=2