Answer:
(1, 9) lies on the graph
Step-by-step explanation:
I found this result by graphing the curve and the points.
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Writing the equation in "Horner form" makes it relatively easy to evaluate. There are only 3 values of x to try: 1, 2, 3.
y = (9x +1)x -1
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x = 1: y = (9·1 +1)1 -1 = 10 -1 = 9 . . . . . (1, 9) matches choice A (not B)
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x = 2: y = (9·2 +1)2 -1 = 38 -1 = 37 . . . . (2, 37) matches no choice
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We can see that for larger values of x, y is increasing very rapidly, so the only reasonable choice is (1, 9).
