Use the graph of the function f to estimate where ?(a)f\' and ?(b) f\'\' are? 0,

Question

Use the graph of the function f to estimate where ?(a)f' and ?(b) f'' are? 0, positive, and negative.

Use the graph of the function f to estimate where (af and (b) f" are 0, positive, and negative. (a) Find where f' is equal to 0. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. 0 A. f , is equal to 0 at x = O B. There is no solution. Find where f' is positive. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. 0 A. f , is positive on the interval(s) O B. There is no solution. Find where f'is negative. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. f'is negative on the interval(s) 0 B. There is no solution. Round to the nearest integer as needed. Use a comma to separate answers as needed.) (Type your answer in interval notation.) (Type your answer in interval notation.)

Explanation / Answer

a) f'is zero at x = -1,1

f'is positive for x belongs to (-infinity to 1) U (1 to infinity)

f' is negative for x belongs to (-1,1)

b) f''is zero at x = 0

f''is positive for x belongs to (0 to infinity)

f''is negative for x belongs to (- infinity to 0)

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