Inverse Functions and Derivatives

Inverse Functions and Derivatives

Assessment

Interactive Video

Mathematics

9th - 12th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers the process of finding derivatives of inverse functions. It begins with an introduction to the concept and a step-by-step example using y = x^3. The tutorial then introduces a theorem that simplifies the process by using the reciprocal of the derivative of the original function. Several examples are provided, demonstrating the application of the theorem to different types of functions, including complex and implicit functions. The video concludes with a summary and an invitation for questions.

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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding the derivative of the inverse of y = x³ at x = 8?

Use the chain rule

Differentiate directly

Switch x and y in the equation

Solve for y in terms of x

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you express the inverse function of y = x³?

y = x^(-3)

y = x^3

y = x^(1/3)

y = 3√x

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the derivative of the inverse function y = x^(1/3) at x = 8?

1/10

1/16

1/8

1/12

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the theorem for derivatives of inverse functions state?

The derivative of the inverse is half the original derivative

The derivative of the inverse is twice the original derivative

The derivative of the inverse is the reciprocal of the original derivative

The derivative of the inverse is the same as the original

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the theorem, what do the coordinates (a, b) represent?

Coordinates of the tangent line

Coordinates of the inverse function

Coordinates of the derivative

Coordinates of the original function

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of setting up a table when using the theorem?

To solve for x and y

To make calculations faster

To organize information and find derivatives easily

To avoid using the theorem

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Example 1, what is the function f(x) given?

f(x) = x³ + 7x + 12

f(x) = x³

f(x) = 7x + 12

f(x) = x² + 7x

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