Question

ok so this is a very simple question ok but a tricky one mind it!!after answering comment me then I will tell u the answer is correct or not!!
and also tell if anyone is of VARANASI!!​

Answer 1

Answer:

[ 0 , 8 ]

Step-by-step explanation:

 Given,

 ⇒  - 1 ≤ x ≤ 3

     Square on each side

 ⇒ 1 ≤ x^2 ≤ 9

    Adding - 1 to all

 ⇒ 1 - 1 ≤ x^2 - 1 ≤ 9 - 1

 ⇒ 0 ≤ x^2 - 1 ≤ 8

Hence range of the given function f(x) is [ 0 , 8 ]