Functions and limits

The limit of (x2 - 1) / (x - 1) as x tends to 1 is:

• 1 0
• 2 2
• 3 Does not exist
• 4 1

The limit of sin x / x as x tends to 0 is:

• 1 1
• 2 -1
• 3 Infinity
• 4 0

The limit of (3x + 2) as x tends to 2 is:

• 1 6
• 2 2
• 3 4
• 4 8

A function f is continuous at x = a if the limit as x tends to a equals:

• 1 a
• 2 f(a)
• 3 1
• 4 0

The limit of (1 + 1/n)^n as n tends to infinity is:

• 1 1
• 2 Infinity
• 3 0
• 4 e