Question

Examine the continuity of the function ​

Answer 1

Answer:

Explanation:

We have  f(x)=2x  

2

−1

At x=3,f(x)=f(3)=2(3)  

2

−1=17

and  

x→3

lim

​

f(x)=  

x→3

lim

​

(2x  

2

−1)=2(3)  

2

−1=17

Clearly    

x→3

lim

​

f(x)=f(3)

Thus, f is continuous at x=3

MARK AS BRAINLIUSTT