Question — act-dog

Mathematics Q8

Field-test question. ACT includes questions it is trialling in every live form. They are real questions with real answers, but they do not count toward the score and ACT publishes no reporting category for them.

Question 8 as printed in the ACT Practice Test 2 booklet — As printed in the official booklet.

An object is launched vertically at 30 meters per second from a 55 ‑meter‑tall platform. The height, h (t) meters, of the object t seconds after launch is modeled by h (t) = −4.9 t + 30t + 55 . What will be the height, in meters, of the object 3 seconds after launch?

F
44.1
G
100.9
H
145
J
189.1

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