*25 points* Hailey ran a few laps. D(n), models the duration (in seconds) of the time it took for Hailey to run her n^th lap. Wh
en did the lap duration increase faster?
A. Between the 3rd and 7th lap
B. Between the 7th and 9th lap
C. The lap duration increased at the same rate over both intervals
A. Between the 3rd and 7th lap
B. Between the 7th and 9th lap
C. The lap duration increased at the same rate over both intervals
2 answers:
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Answer:
<em><u>slope is -7/8</u></em>
Step-by-step explanation:
ok
first remember these to formulas:
and
now insert the points:
= -7/8
slope intercept form:
y - 4 = -7/8(x - (-5)
y - 4 = -7/8(x + 5)
y = -7x/8 - 3/8
Have a nice day!
and if you have a question or if I did anything wrong please tell me.