The video tutorial explains how to test the limits of a function from the left and right to determine continuity. It demonstrates calculating these limits at x=3 using specific functions and concludes that the limit does not exist due to a jump discontinuity. The tutorial also touches on piecewise functions and their potential for continuity or discontinuity.

Why is it important to test both the left and right limits at a breaking point?

• To check if the function is continuous

• To calculate the derivative of the function

• To determine if the function is differentiable

• To find the maximum value of the function

What is the left-hand limit of the function as x approaches 3?

• 4

• 6

• 2

• 3

Which function is used to calculate the right-hand limit as x approaches 3?

• 2 * x - 4

• x^2 - 2 * x

• 3 * x + 1

• x^2 + 4

What is the result of the right-hand limit calculation as x approaches 3?

• 2

• 5

• 3

• 1

What conclusion is drawn about the limit as x approaches 3?

• The limit exists and is continuous

• The limit is zero

• The limit does not exist due to a jump

• The limit is infinite