Sarah enjoys running through the neighborhood. She follows the route marked on the map below starting and ending at her house. Find the distance in feet that Sarah runs

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Find dy/dx using implicit differentiation ln(20+e^xy)=y

How do you determine whether a relationship represented as as graph is linear or nonlinear