Final: The Rental

Part of the Functions & Transformations section of Coddy's Algebra 2 journey. Lesson 55 of 55.

A car rental charges a 35 dollar booking fee plus 42 dollars for every day. A customer's bill came to 245 dollars. How many days was the car rented?

Challenge

A car rental charges a 35 dollar booking fee plus 42 dollars a day, and a customer's bill came to 245 dollars. Find the number of days d. On the blank board, write d = ... as a calculation on the first line, then work it out on the next.

Start the lesson to read it in the interactive player and track your progress.

All lessons in Functions & Transformations

1Rules That Draw

Meet f(x)Negative Inputs Shifting the Input Solving f(x) = k

4Combining Functions

Adding Functions Subtracting Functions Multiplying Functions At a Single Number Recap: Combining

7Shifting Graphs

Up and Down Left and Right The Sign Inside Both at Once Shifting a V Recap: Shifts

10Functions in Stories

Writing the Rule Using the Rule Working Backward Undoing a Conversion Recap: Stories

2Expressions as Inputs

A Sum as Input Solving a Shifted Rule Recap: Inputs as Expressions

5Composition

One Inside Another Order Matters A Function of Itself Composing Rules Breaking Apart Recap: Composition

8Stretching and Flipping

Taller and Flatter Flipping Over Flip, Then Shift Reading the Rule Recap: Stretch and Flip

11Final Challenges

Final: Inside and Out Final: The Inverse Final: Move the V Final: Where f LivesFinal: The Rental

3Domain and Range

What the Domain Is No Dividing by Zero No Roots of Negatives The Range Recap: Domain

6Inverse Functions

Undoing a Function Swap and Solve Fractions in Inverses Checking an Inverse A Value of the Inverse Recap: Inverses

9Rate of Change

Average Rate of Change A Line Keeps Its Rate A Curve Changes Rate Velocity as a Rate Recap: Rate of Change