Lesson 4: Solving Real Life Problems Involving Functions

Slide 1

Welcome to SHS Math Hub

Your Deped-Aligned Resourced for Senior High School Mathematics.

Access a wide range of MELC-align lesson modules, downloable worksheets, quizzed, and teaching tools to enhance math education for Senior High School Students.

Welcome to General Mathematics

This page will guide you through important lessons in General Mathematics. Follow the lessons step by step to build a strong understanding and learn how to apply concepts in real-life situations.

Function In Real Life

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.

Solving Real- Life Problems Involving Functions

1 / 10

Mariel wanted to avail a cellphone plan that offers a monthly fee of ₱2,500.00. It includes 240 minutes of call and charges ₱7.50 for each additional minute of usage. How much will she need to pay from using a total of 350 minutes of call in one month?

a. ₱950.00

b. ₱2,610.00

c. ₱3,325.00

d. ₱4,325.00

2 / 10

Mariel wanted to avail a cellphone plan that offers a monthly fee of ₱2,500.00. It includes 240 minutes of call and charges ₱7.50 for each additional minute of usage. How much is her monthly cost incurred if she made an additional usage of 20 minutes of call?

a. ₱2,500.00

b. ₱2,600.00

c. ₱2,650.00

d. ₱3,350.00

3 / 10

Mariel wanted to avail a cellphone plan that offers a monthly fee of ₱2,500.00. It includes 240 minutes of call and charges ₱7.50 for each additional minute of usage. How many additional minutes of call did she make, if she paid ₱2,800.00 in her monthly bill?

a. 20 minutes

b. 40 minutes

c. 60 minutes

d. 80 minutes

4 / 10

Mariel wanted to avail a cellphone plan that offers a monthly fee of ₱2,500.00. It includes 240 minutes of call and charges ₱7.50 for each additional minute of usage. What value of x will not require any additional charge in her monthly bill?

a. x > 240

b. x < 240

c. x ≥ 240

d. x ≤ 240

5 / 10

Mariel wanted to avail a cellphone plan that offers a monthly fee of ₱2,500.00. It includes 240 minutes of call and charges ₱7.50 for each additional minute of usage. Which of the following pertains to the monthly cost function?

a. C(x) = 2,500 -1800x

b. C(x) = 2,500 + 1800x

c. C(x) = 700 + 7.50x

d. C(x) = 700 – 7.50x

6 / 10

Emmanuel decided to put up a candy shop that sells a dairy chocolate that cost ₱135.00 per pack. The cost of making the chocolate is ₱90.00 and the operating expense is ₱4,500.00. How much is the gain if Emmanuel sold 350 packs of chocolates?

a. ₱6,750.00

b. ₱9,750.00

c. ₱11.250.00

d. ₱15,250.00

7 / 10

Emmanuel decided to put up a candy shop that sells a dairy chocolate that cost ₱135.00 per pack. The cost of making the chocolate is ₱90.00 and the operating expense is ₱4,500.00. How many chocolate bars must be sold if Emmanuel wanted to earn a profit of ₱6,750.00?

a. 100

b. 150

c. 250

d. 350

8 / 10

Emmanuel decided to put up a candy shop that sells a dairy chocolate that cost ₱135.00 per pack. The cost of making the chocolate is ₱90.00 and the operating expense is ₱4,500.00. Which value of x will make Emmanuel’s candy shop suffer loss for selling packs of chocolates?

a. X> 100

b. x≤ 100

c. x< 100

d. x≥ 100

9 / 10

Emmanuel decided to put up a candy shop that sells a dairy chocolate that cost ₱135.00 per pack. The cost of making the chocolate is ₱90.00 and the operating expense is ₱4,500.00. How many packs of dairy chocolate must be sold to break even?

a. 50

b. 100

c. 150

d. 200

10 / 10

a. P(x) = 45x – 4,500

b. P(x) = 225x – 4,500

c. P(x) = 45x + 4,500

d. P(x) = 225x + 4,500

Your score is

The average score is 0%

Reflection and Self-Assessment

Reflect your understanding of this topic, your quiz performance and areas where you may need more practice. Your honest responses will help guide your learning.