To show: the function is continuous and to prove that the partial derivatives and exist at origin and directional derivatives in other direction don not exit.
To graph: The function near the origin.
Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*
*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.