Question

Question 3 A function f is defined by f(x) = 2x – 5. Write down the values of

(i) f(0),

(ii) f(7),

(iii) f(–3)

Class XI - Relations and Functions Page 44

Answer 1

f(0)=-5
f(7)=9
f(-3)=-11

Answer 2

f(0) = 2(0)-5 => -5
f(7)= 2(7)-5 => 9
f(-3)=2(-3)-5 =>- 11