its better if the answer was typewritten

4. No solution means an incorrect answer. 5. Take time to read this instruction. 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