# Math Help

posted by
**Beta plus**
.

Use the mean value theorem to determine the value of c, given that f(x) = cos 5x. I got f(x)=cos 9.96. Pls check

posted by
**Beta plus**
.

Use the mean value theorem to determine the value of c, given that f(x) = cos 5x. I got f(x)=cos 9.96. Pls check