Answer:
5 times
Step-by-step explanation:
Correct option:
d. 1.64
<h2>
Explanation:</h2>
An object is launched vertically upward from a 25 foot platform and is modeled by the following function:

So this is the equation of a parabola because the object is a projectile so it follows the Projectile Motion.
The object fall back to the ground when
so:

Since time can't be negative, we only choose the positive value. therefore:
<em>The object fall back to the ground after 1.64 seconds</em>
<em></em>
<h2>
Learn more:</h2>
Projectile motion: brainly.com/question/12554459
#LearnWithbrainly
The answer to this question is choice option letter C