Answer:
a = 132 m/s^2
Explanation:
f(t) = t^4 − 2t^3 − 6t^2 + 9t
v = f'(t) = 4t^3 - 6t^2 - 12t + 9
a = f''(t) = 12t^2 - 12t -12
Substitute t = 4 seconds into the equation for a:
a = 12(16) -12(4) -12 = 132 m/s^2
The lowest volume level that a person could detect
Ok for my school we have 6 weeks in stead of 9 so if the class the F is in especially if it's ap the teacher would have to change your schedule to the regular class and probably mandatory after school tutoring
Answer:
what does it need to be about?