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Use a graphing calculator to graph functions:
a. Use your graphing calculator to graph f(x)=|x+1| and determine where the function is increasing & decreasing.
A. Increasing x < 1; Decreasing x > 1
B. Increasing x < -1, Decreasing x > -1
C. Increasing x > 1; Decreasing x < 1
D. Increasing x > -1; Decreasing x < -1

b. Select true or false: The function 4(x+4)(x-5)^3 > 0, when x < -4 or x > 5. True or False.