3.
use the graph below to evaluate the limit as x approaches 2 of f of x :

graph of a function that increases for x greater than or equal to 0 and less than 2 and decreases for x greater than 2 and less than or equal to 4. the point (2, 3) is marked on the graph (5 points)

0

2

3

4

2

Step-by-step explanation:

Let be a real number.

equals if:

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means what does get close to as we move closer to 2 from the left. Please look at the orange to see what that looks like visually.

We see that tends to .

This means:

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means what does get close to as we move closer to 2 from the right. Please look at the blue to see what that looks like visually.

We see that tends to .

This means:

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Therefore,

.

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.