Nonlinear function

Q. The table shows a function. Is the function linear or nonlinear?

$x$	$y$
$2$	6
3	10
5	12

1. linear
2. nonlinear

Q.

Which of the following is a linear expression:

1. $x^2+1$

2. $y+y^2$

3. $4$

4. $1+z$

Q. Which of the following is/are nonlinear function(s)?

1. $y=3x+2$
2. $y=3x^2+2x$
3. $y=3x^3+2x$
4. $y=3x+2x$

Q. Which type of function does the graph given in the figure represent ?

1. linear function
2. nonlinear function

Q.

What are Determinants Used for?

Q. The degree of a nonlinear function is

1. $1$
2. $2$
3. less than or equal to $2$
4. greater than or equal to $2$

Q. For a non-linear function, a constant change in $x$ correspond to a constant change in $y$.

1. does not
2. does
3. always

Q. Constant change in the value of 'x' not corresponding to constant change in the value of 'y' represents a linear function.

1. True
2. False

Q. Which type of function does the graph given in the figure represent ?

1. Linear Function
2. Non-linear function

Q.

$x$	$y$
2	3
4	k
12	18

If the function represented in the table is nonlinear, then $k$ can not be equal to:

1. $6$
2. $3$
3. $5$
4. $7$