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Detailed Video: Types of Functions Video Lecture | Mathematics (Maths) Class 12 - JEE

204 videos|288 docs|139 tests

Timeline

00:00 Introduction
00:38 One to One or Injective Functions
02:26 Onto Function or Surjective Functions
04:45 Bijective Functions
08:01 Sample Problem on Functions
12:10 Exercise 1.2 - Ques: 5
14:31 Exercise 1.2 - Ques: 8
17:10 Exercise 1.2 - Ques: 10
22:54 EduRev Infinity
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FAQs on Detailed Video: Types of Functions Video Lecture - Mathematics (Maths) Class 12 - JEE

1. What are the different types of functions?
Ans. There are several types of functions, including linear functions, quadratic functions, polynomial functions, exponential functions, and logarithmic functions. Each type of function has its own unique characteristics and behaviors.
2. How can I identify a linear function?
Ans. A linear function is a function that can be represented by a straight line on a graph. It has the form y = mx + b, where m is the slope of the line and b is the y-intercept. To identify a linear function, you can check if the equation follows this form and if its graph is a straight line.
3. What is the difference between exponential and logarithmic functions?
Ans. Exponential functions and logarithmic functions are inverse of each other. Exponential functions have the form y = a^x, where a is a constant and x is the exponent. Logarithmic functions, on the other hand, have the form y = log(base a) x, where a is the base of the logarithm and x is the value being logged. Exponential functions show exponential growth or decay, while logarithmic functions express the inverse relationship.
4. Can you provide an example of a polynomial function?
Ans. Yes, a polynomial function is a function that consists of multiple terms, each with a variable raised to a non-negative integer exponent. An example of a polynomial function is f(x) = 2x^3 + 5x^2 - 3x + 1. In this function, the highest power of the variable x is 3, and it has four terms.
5. How do you solve quadratic functions?
Ans. Quadratic functions are functions of the form f(x) = ax^2 + bx + c, where a, b, and c are constants. To solve quadratic functions, you can use various methods such as factoring, completing the square, or using the quadratic formula. Factoring involves finding two binomials that multiply together to give the quadratic expression, while completing the square involves manipulating the equation to create a perfect square trinomial. The quadratic formula is a formula that directly gives you the solutions of the quadratic equation.
204 videos|288 docs|139 tests

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