Question

The value of the function f(x) = 2x ^2 – 1 at x = 3

Answer 1

Answer:

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.

Step-by-step explanation:

please mark me brainlist