Maximum Marks: 15
Due Date: 05-05-2012

Question 1; Mark: 5

If and then find the domain and range of ?

Question 2; Marks: 6
Define by the rule

Is bijective function? Prove or disprove.

Question 2; Marks: 4
Find the 15th term of the given sequence

Solution:

Q4. solution

a=-9,d=27-(-9) =27+9=36

So a=-9

d=36

n=15

a₁₅=?s

putting the formula

a_n= a+(n-1)d

a₁₅= -9+(15-1)(36)

a₁₅= -9+(14)(36)

a₁₅= -9+504

a₁₅= 495

So the 15^th term is 495

……………….