Question

*HELP*

Answer 1

@jim_thompson5910 please??

Answer 2

wht do u think??

Answer 3

if speed at t1 is s1 and t2 is s2 ...
then rate of change of speed = (s2 - s1)/(t2 - t1)

Answer 4

is that like slope kinda?

Answer 5

value at pi = 2
and at (3 pi)/2 = -1
so rate of change
\[\frac{ 2 - (-1) }{ \frac{ 3 \pi }{ 2 } - \pi }\]

Answer 6

oooh my bad.value at pi = -1

Answer 7

how would the bottom work out? just cancel the pi?

Answer 8

for the bottom, we need to multiply that part by \[\frac{2}{2} \]
that way we can subtract that fraction because now they have the same denominators.

Answer 9

value at (3 pi)/2 = 2