Try another version of this question
Find the average rate of change of `f(x) = 2 x^2 - 7` on the interval `[3, b]`. Your answer will be an expression involving `b`
Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question
`2 b + 6`