If the position function in feet for a free-falling particle on Planet X is s(t)= -8t^2 +16 + 64, what is the velocity of the after 2 seconds in feet per second?
A. -32
B. -16
C. 16
D. 64
3 answers
Find the derivative of the function to the velocity function, and plug in 2 for t.
How do I find the derivative?
Use the power rule:
https://www.mathsisfun.com/calculus/derivatives-rules.html
https://www.mathsisfun.com/calculus/derivatives-rules.html