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13. Your classmate Loraine encounters difficulties in showing a sketch of the
graph of y = -** - x3 + 7x2 + x - 6 You know that the quickest way is the
Leading Coefficient Test. You want to help Loraine in her problem. What clue
should you give?
A. The graph falls to both left and right.
B. The graph rises to both left and right.
C. The graph falls to the left and rises to the right.
D. The graph rises to the left and falls to the right.
14. From the choices, which of the following function in factored form represents
the given graph?
A. y = x(x + 2)(x + 1)(x - 1)
B. y = x(x-2)(x + 1)(x - 1)
C. y = (x + 2)(x + 1)(x - 1)
D. y = (x-2)(x + 1)(x - 1)
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