WeBWorK Standalone Renderer

Let $f(x) = 2 x^2 + 4 x - 8.$ Answer the following questions.

1. Find the average slope of the function $f$ on the interval $[-1,1].$
Average Slope: $\overline{m} =$

2. Verify the Mean Value Theorem by finding a number $c$ in $(-1,1)$ such that $f'(c) = \overline{m}.$
Answer: $c =$

In order to get credit for this problem all answers must be correct.