Analyzing Linear and Exponential Functions in Real Life Word Problems

Analyzing Linear and Exponential Functions in Real Life Word Problems

Assessment

Interactive Video

Created by

Quizizz Content

Mathematics

9th - 10th Grade

Hard

The video tutorial explores Molly's raise options, comparing linear and exponential functions. It explains function notation, linear and exponential functions, and domain restrictions in real-life scenarios. The video analyzes Molly's options: a linear raise of $40 plus $5 per month, and an exponential raise of $150 plus 1% monthly. It concludes that the exponential option is better over time, emphasizing the importance of understanding domain restrictions in mathematical contexts.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two raise options Molly can choose from?

$60 immediately and $6 monthly, or $250 immediately and 3% monthly

$40 immediately and $5 monthly, or $150 immediately and 1% monthly

$30 immediately and $3 monthly, or $100 immediately and 0.5% monthly

$50 immediately and $10 monthly, or $200 immediately and 2% monthly

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does function notation represent?

A technique to find the slope

A rule relating the domain to its range

A method to solve equations

A way to graph functions

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the slope of the linear function f(x) = 3x - 2?

3

1

0

2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common mistake when evaluating exponential functions?

Dividing before adding

Subtracting before dividing

Adding before multiplying

Multiplying before simplifying exponents

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the domain of the function f(x) = 2^x in a real-life context?

Real numbers greater than or equal to 0

All real numbers

Negative numbers only

Positive integers only

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much will Molly earn after 96 months with the linear raise option?

$520

$480

$600

$550

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which raise option is better for Molly after 96 months?

The linear option with $40 initially and $5 monthly

The exponential option with $150 initially and 1% monthly

It depends on the market conditions

Neither, both are equal