Find the average rate of change of β(π‘) = βπ‘ 2 + 8π‘ β 3 from π‘ = 1 to π‘ = 5.
Avg rate of change = [ f(5) - f(1) ' / ( 5 - 1)
So we have [ ( -(5)^2 + 8(5) - 3) - ( -(1)^2 + 8(1) - 3 ] / 4 =
[ (-25 + 40 - 3) - (-1 + 8 - 3) ] / 4 =
[ 12 - 4 ] / 4 =
8 / 4 =
2