Calculus BC Need Help ASAP!

Question

For an object whose velocity in ft/sec is given by v(t) = -t² + 4, what is its displacement, in feet, on the interval t = 0 to t = 4 secs? (5 points)

Answer Choices:

	7.67
	-3.33
	-5.33
	3.33

Answer 1

s =∫₀⁴(4 - t²)dt = (4t - t³/3)₀⁴ = 16 - 64/3 = - 16/3 = - 5.33