Answer:
The height of the rock after 3.2 seconds.
Explanation:
Hi, to answer this question we have to analyze the function given:
h(t) = –16t2 + 28t + 500
h(t) =represents the height of a rock t seconds after it is propelled by a slingshot.
t = time (seconds)
Since the independent variable is t and the dependent variable is h, The height of the rock after 3.2 seconds is represented by h(32).
Feel free to ask for more if needed or if you did not understand something.