Q12 of 73 Page 84

If f (x) = x2, find the value of .

Given: f(x) = x2

To find: …(i)


Firstly, we find the f(5)


Putting the value of x = 5 in the given eq., we get


f(5) = (5)2


⇒ f(5) = 25


Similarly,


f(1) = (1)2


⇒ f(1) = 1


Putting the value of f(5) and f(1) in eq. (i), we get



Hence, the value of


More from this chapter

All 73 →
10

Let g = {(1, 2), (2, 5), (3, 8), (4, 10), (5, 12), (6, 12)}. Is g a function? If yes, its domain range. If no, give reason.

 11

Let f = {(0, -5), (1, -2), (3, 4), (4, 7)} be a linear function from Z into Z. Write an expression for f.

 13

If f(x) = x2, find the value of .

 14

Let X = {12, 13, 14, 15, 16, 17} and f : A → Z : f(x) = highest prime factor of x. Find range (f)