5) Use R to find Z value from given area under Z curve. (a) Find zo when P(- Zo< Z < Zo)=0.82 (b) Find zo when P(Z > Zo)=0.32 (c) Find zo when P(Z < Zo)-0.28

Approximate the net signed area under the curve y = x 2 − 2x − 2 on the interval [1, 5] using 4 rectangles and left hand end points.

3. Find the area bounded by the curve a² + 4y = 4, its tangent (1, 2). 4. Find the area bounded by the curve x = x = e, x = e, y = 2. 5. Determine and the x-axis.

9) Find the area between x = 0 and x = 2: 0 -1- y = x+2x3 2