optional mathematics ( class 9 )

what is the degree of 3x²y³ ?

• 1

• 2

• 3

• 5

what is the image of 2 under Y=4x?

• 8

• 2

• 6

• None of the above

whit wull be the next term of the sequence : 7,11,15,19,....

• 4

• 21

• 23

• 17

an arrangement of any objects or a set of numbers in a particular order followed by some rule is called ....

• series

• sequence

• Both of the above

• None of the above

Bijective function is also called...

• One to one function

• Onto function

• One to one onto function

• Into function

When x²-4 is divided by X-2 then quotient is ......

• x+4

• x+2

• x-2

• x-4

If f(x)= 4x²-1 then what is the value of f(-1)?

• -3

• -5

• 5

• None of the above

which of the following statement is false?

• Relation is a function but converse may not be true.

• Each and very function have it's inverse exist .

• the form of y=c is constant function

• The interchanging process of domain and range is known as inverse of a function .

An identity function also called ....

• Identity relation

• Identity map

• Identity transformation

• All of the above

which of the follong is polynomial ?

• 0

• 1/x²

• Both (option 1 and option 2)

• (x)¾