Lesson 1 : Functions

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Welcome to Module 1 of General Mathematics

This page will guide you through imporant lessons of function. Follow the lessons step-by-step to develop a strong understanding of function and how to apply them in real-life situation

1. Function & Piecewise

2. Read the Module

3. Solve the LAS

4. Growth Mindset Focus

“You don’t have to understand everything today — you just have to improve a little more than yesterday.”

5. Take a Quiz

Test you knowledge and apply what you’ve learned through interactive quizzes and practice activities related to module 1.
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Function Quiz

Math quiz helps us to increase our knowledge

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Which of the following is not a function?

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A person can encode 1000 words in every hour of typing job. Which of the following expresses the total words W as a function of the number n of hours that the person can encode?

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Which among the relations is not a function?

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To evaluate a function is to ______________ the variable in the function with a value from the function’s domain and compute the result.

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A method of determining whether or not a graph represent a function is called the ___________________.

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What do you call a relation where each element in the domain is related to only one value in the range by some rules?

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The altitude of a plane is a function of the times since take off. What is the dependent variable?

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Which of the following correspondence is a function?
i. one to one                                     ii. one to many
iii. many to one                               iv. No one

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In a relation, what do you call the set of x values or the input?

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Which of the following letters will pass the vertical line test?

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Judy is earning ₱300.00 per day for cleaning the house of Mrs. Perez and additional ₱25.00 for an hour of taking care Mrs. Perez’s child. Express the total salary (S) of Judy including the time (h) spent for taking care the child.

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