A. x < -1 or x > 2
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In order to validate Tom's claim, we have to calculate if indeed there is a common ratio with the consecutive y-values in the given ordered pairs.
1st and 2nd: r = 6/4 = 1.5
2nd and 3rd: r = 9/6 = 1.5
3rd and 4th: r = 13.5 /9 = 1.5
We have validated the existence of a common ratio. However this does not conclude that the function is quadratic because the ratio between the values is in first order.
Answer:
slope is 1
Step-by-step explanation:
slope is rise over run