1.2 Limits + graphs review

• 11

• 9

• 8

• 7

Answer explanation

To evaluate the limit as x approaches 3, substitute 3 into the expression: 2(3) + 5 = 6 + 5 = 11. Thus, the limit is 11.

• 0

• 1

• -1

• 3

• 1

• 0

Answer explanation

To evaluate the limit as x approaches 0, substitute x=0 into the expression

• 0

• 1

• 2

Answer explanation

To evaluate, factor the numerator: x^2 - 1 = (x - 1)(x + 1). The limit simplifies to (x + 1) = 2. Thus, the correct answer is 2.

• 1

• 5

• 7

• 9

Answer explanation

To evaluate the limit, substitute x = 2 into the expression: 3(2)^2 - 4(2) + 1 = 3(4) - 8 + 1 = 12 - 8 + 1 = 5.

• 0

• 1

• -1

• 1/2

• 0

• 1

• -1

• 0

• DNE
• 3
• 1

limit of f as x approaches -2

• 4
• -2
• 0
• Does not exist

limit of f as x approaches 7⁺

• 4
• 2

• 0
• Does not exist
• -4