Integrating Essential Skills

Mathematics Integrating Essential Skills Q11

Question 11 as printed in the Preparing for the ACT — Practice Test 1 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?

A
44.1
B
100.9
C
145
D
189.1

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