Question

Can you guys help me with 3-8 please thank you <3

Answer 1

For number 3 The rest are all the same just with different numbers):


`R_(ave)=(f(b)-f(a))/(b-a)`

`R_(ave)=(f(3)-f(1))/(3-1)`

`R_(ave)=((2(3^(2))-20(3))-(2(1^(2))-20(1)))/(2)`

`R_(ave)=((2(9)-60)-(2(1)-20))/(2)`

`R_(ave)=((18-60)-(2-20))/(2)`

`R_(ave)=((-42)-(-18))/(2)`

`R_(ave)=(-24)/(2)`

`R_(ave)=-12`