# How do you find the domain and range of f(x)=cosx+1?

##### 1 Answer
Jul 5, 2017

graph{cos x + 1 [-10, 10, -5, 5]}

If you graph the function, you can see that the domain includes all real numbers, and the range includes all values from 0 to 2, inclusive.

D: $\left(- \infty , \infty\right)$
R: $\left[0 , 2\right]$