An equation of the function y(t) is shown. y (t) = −t² + 14t - 40 Select all of the statements below that are true about the

Question

An equation of the function y(t) is shown.
y (t) = −t² + 14t - 40
Select all of the statements below that are true about the graph of y(t) for 6 ≤ t ≤ 8
O The average rate of change over the interval 6 ≤ t ≤7 is the same as the average rate of change over the interval 7 <t<8
O The value of y(t) is constant over the interval 6 ≤ t ≤8
O The value of y(t) increases over the interval 6 ≤ t ≤7
O The value of y(t) increases over the interval 7 ≤ t ≤ 8
O The average rate of change over the interval 6 ≤ t ≤8 is 0

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