EASY
11th CBSE
IMPORTANT
Earn 100

Write the following relation as sets of ordered pairs and find if it is a function:

x,y:y>x+1, x=1, 2 and y=2,4,6

Important Questions on Functions

EASY
11th CBSE
IMPORTANT

Write the following relation as sets of ordered pairs and find if it is a function:

x,y:x+y=3, x,y0,1,2,3

EASY
11th CBSE
IMPORTANT
Let f:RR and g:CC be two functions defined as f (x)=x2 and gx=x2. Are they equal functions?
EASY
11th CBSE
IMPORTANT

If f is a function defined from R to R as follows: f(x)=x2

Find the range of the function.

EASY
11th CBSE
IMPORTANT

If g is a function defined from R to R as follows:  g(x)=sinx

Find the range of the function.

EASY
11th CBSE
IMPORTANT

If h is a function defined from R to R as follows: h(x)=x2+1

Find the range of the function.

EASY
11th CBSE
IMPORTANT

Let X={1, 2, 3, 4} and Y={1, 5, 9, 11, 15, 16}

Determine whether the following set is a function from X to Y

f1=1,1, 2, 11, 3, 1, 4, 15

EASY
11th CBSE
IMPORTANT

Let X={1,2,3,4} and Y={1,5,9,11,15,16}

Determine whether the following set is a function from X to Y:

f2=1,1,2,7,3,5

EASY
11th CBSE
IMPORTANT

Let X={1,2,3,4} and Y={1,5,9,11,15,16}

Determine whether the following set is a function from X to Y:

f3=1,5,2,93,1,4,5,2,11