# Lesson Worksheet: Definition of the Derivative Mathematics • 12th Grade

In this worksheet, we will practice calculating the derivative of a function using the formal definition of the derivative as a limit.

Q1:

If the function , find .

• A
• B
• C
• D
• E

Q2:

Find the derivative of at the point from first principles.

Q3:

Using the definition of a derivative, evaluate .

• A
• B
• C
• D

Q4:

Consider the function .

Find .

Find .

What can you conclude about the derivative of at ?

• ASince the right and left limits are unequal, the derivative does not exist.
• BThe derivative exists and is equal to .
• CThe derivative exists and is equal to 1.
• DThe derivative exists and is equal to 0.

Q5:

Let . Use the definition of derivative to determine . What is the slope of the tangent to its graph at ?

• A, the slope of the tangent at is
• B, the slope of the tangent at is
• C, the slope of the tangent at is
• D, the slope of the tangent at is
• E, the slope of the tangent at is

Q6:

Let . Use the definition of the derivative to determine .

• A
• B
• C
• D

Q7:

Find the derivative of the function using the definition of derivative, and then state the domain of the function and the domain of its derivative.

• A, ,
• B, ,
• C, ,
• D, ,
• E, ,

Q8:

Let . Use the definition of derivative to determine .

• A
• B
• C
• D

Q9:

Find .

• Aundefined
• B
• C
• D
• E

Q10:

Evaluate .

• A
• B
• C
• D
• E