6.5 Average Value of a Function/1

From Mr. V Wiki Math
Jump to navigation Jump to search

Find the average value of the function on the given interval.

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle f(x) = 4x-x^2, (0, 4) }


Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle \begin{align} f_{avg} &= \frac{1}{4-0} \int_{0}^{4} (4x-x^2) dx \\[2ex] f_{avg} &= \frac{1}{4} \int_{0}^{4} (4x-x^2) dx \\[2ex] &= \frac{1}{4} \left[\bigg( 4x-\frac{x^3}{3}\bigg) \right]_0^4 \\[2ex] &= \frac{1}{4} \bigg(8-\frac{8}{3}\bigg)-\bigg(-8+\frac{8}{3}\bigg) \\[2ex] &= \frac{1}{4} \left[\bigg( \frac{32}{4}\bigg) \right] \\[2ex] &= \frac{8}{3} \end{align} }