Edzy
AI TutorResourcesToolsCompareBuy
SearchDownload AppLogin
Edzy

Edzy for Classes 6-12

Edzy is a personal AI tutor for CBSE and State Board students, with curriculum-aligned guidance, practice, revision, and study plans that adapt to each learner.

  • Email: always@edzy.ai
  • Phone: +91 96256 68472
  • WhatsApp: +91 96256 68472
  • Address: Sector 63, Gurgaon, Haryana

Follow Edzy

Browse by Class

  • CBSE Class 6
  • CBSE Class 7
  • CBSE Class 8
  • CBSE Class 9
  • CBSE Class 10
  • CBSE Class 11
  • CBSE Class 12
Explore the CBSE resource hub

Explore Edzy

  • Study Resources
  • Free Study Tools
  • Best Apps for Board Exams
  • Edzy vs ChatGPT
  • About Us
  • Why We Built Edzy
  • Blog
  • CBSE AI Tutor

Support & Legal

  • Help & FAQs
  • Accessibility
  • Privacy Policy
  • Terms & Conditions
  • Refund Policy
  • Cookie Policy
  • Site Directory

© 2026 Edzy. All rights reserved.

Curriculum-aligned learning paths for students in Classes 6-12.

CBSE
Class 9
Mathematics
Ganita Manjari
Introduction to Linear Polynomials
Question Bank

In the expression f(x) = 4x - ...

Single Answer MCQ
Q-00168550

In the expression f(x) = 4x - 7, what happens to f(x) when x increases by 1?

1

f(x) decreases by 4

2

f(x) increases by 4

3

f(x) increases by 1

4

f(x) remains constant

Previous QuestionNext Question

Video Explanation

Answer

Solution:

Watch Video Solution

Login to get access

Keep Practising

Students who asked this also explored

Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

What is the general form of a linear equation?

Single Answer MCQ
View explanation
Q2.

If the linear equation is y = 3x + 2, what is the slope of this line?

Single Answer MCQ
View explanation
Q3.

Which of the following represents a linear relationship?

Single Answer MCQ
View explanation
Q4.

What does the term 'b' in the equation y = ax + b represent?

Single Answer MCQ
View explanation