Transformations of Quadratic Functions

Question 1

Find the inverse of the function y = x2 – 12.

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-03-11-20-01-task/mc001-2.jpg

Question 2

Find the inverse of the function y = 2x2 + 2.

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-03-11-20-01-task/mc002-4.jpg

Question 3

Describe the three errors.

Revolt · Accepted Answer

The student did not switch both instances of x with y; the first line should be x = y² + 12y. The student used only the principal square root instead of ±√(−11x). Also, the domain condition is wrong: the radicand is nonnegative when x ≤ 0, not x ≥ 0.

Question 4

What is the domain of the function f(x) = ?

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Answer image: https://media.edgenuity.com/EVresources/3111-03-11-20-03-task/mc001-5.jpg

Question 5

Which inequality is used to find the domain?

Revolt · Accepted Answer

mc001-4.jpg

Question 6

Domain: x

Revolt · Accepted Answer

≥

Question 7

-5-1✔ 15

Revolt · Accepted Answer

1

Question 8

Choose the inverse of y = x2 – 10x.

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-03-11-20-05-task/mc001-4.jpg

Question 9

Use what you know about domain to select all of the following functions that could be the one graphed.

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-03-11-20-06-task/mr001-1.jpg; Answer image: https://media.edgenuity.com/EVresources/3111-03-11-20-06-task/mr001-2.jpg

Question 10

Suppose the Santa Monica has a hull length that is 10 ft shorter than that of the Nina Pinta. What expression represents the hull speed of the Santa Monica in terms of the length, ln of the Nina Pinta? Where a = and b = ln What are the restrictions on ln? ln >

Revolt · Accepted Answer

1.34; Where a = and b = ln: 1.34; Where a = and b = ln: – 10

Transformations of Quadratic Functions Answers

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