1. a. Points A and E

b. Point C

c. (1.5, -1)

d. (-1, 6)

2. a. (3, -1) is a local minimum point.

b. (3.5, -6.25) is a local minimum point.

c. (- 6, 1) is a local maximum point.

d. (-1, -9) is a local minimum point.

e. (2.5, 0.25) is a local maximum point.

3. a. (0, 0) is a local maximum and (8/3, -256/27) is a local minimum.

b. (-3, 64) is a local maximum and (3, -44) is a local minimum.

c. (-2, 4) is a local maximum and (0, 0) is a local minimum.

d. (-1, 23) is a local maximum and (5, -193) is a local minimum.

e. (-1/3, 32/27) is a local maximum and (1, 0) is a local minimum.

1. a. Points A and E

b. Point C

c. (1.5, -1)

d. (-1, 6)

2. a. (3, -1) is a local minimum point.

b. (3.5, -6.25) is a local minimum point.

c. (- 6, 1) is a local maximum point.

d. (-1, -9) is a local minimum point.

e. (2.5, 0.25) is a local maximum point.

3. a. (0, 0) is a local maximum and (8/3, -256/27) is a local minimum.

b. (-3, 64) is a local maximum and (3, -44) is a local minimum.

c. (-2, 4) is a local maximum and (0, 0) is a local minimum.

d. (-1, 23) is a local maximum and (5, -193) is a local minimum.

e. (-1/3, 32/27) is a local maximum and (1, 0) is a local minimum.