Question

Need help with this

Answer 1

Expert answer above me is correct

Answer 2

(A) delta h(t) = 32

Explanation:

Average rate of change delta h(t) is given by

`delta \: h(t) = (h(b) - h(a))/(b - a)`

at t = 0, h(0) = 80

at t = 2, h(2) = -16(4) + 64(2) + 80 = 144

Plugging in the numbers

delta h(t) = (144 - 80)/(2 - 0)

= 32