3 Select the correct answer.
The displacement function of a rock thrown straight up in the air is given by f() = -2R2 + 15.7t meters, where tis measured in seconds. Find the
total distance travelled by the rock when it reaches the ground.
ОА.
30.81 m
OB
31.40 m
OC. 61.62 m
OD. 92.43 m
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