SAT Mathematics Practice Test 7

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Question : 33 of 59

Marks: +1, -0

Theresa ran on a treadmill for thirty minutes, and her time and speed are shown on the graph above. According to the graph, which of the following statements is NOT true concerning Theresa’s run?

Theresa ran at a constant speed for five minutes.
Theresa’s speed was increasing for a longer period of time than it was decreasing.
Theresa’s speed decreased at a constant rate during the last five minutes.
Theresa’s speed reached its maximum during the last ten minutes.

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