Limits worksheet with answers

Free printable Limits worksheet: 6 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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1.Easy
xyx = −1

Find the limit L = limx→−1 (x3 + 1)/(x + 1).

f(x) = (x3 + 1)/(x + 1)x → −1
L =
2.Easy
xy36x = 36

Find the limit L = limx→36 (√x − 6)/(x − 36).

f(x) = (√x − 6)/(x − 36)x → 36
L =
3.Medium
xyy = L

Find the limit L = limx→∞ (1 − 2/x)3x. Give a decimal value.

f(x) = (1 − 2/x)3xx → ∞
L =
4.Medium
xyy = L

Find the limit L = limx→∞ (√(x2 + 8x) − x).

f(x) = √(x2 + 8x) − xx → ∞
L =
5.Hard
xyx = 0

Find the limit L = limx→0 ln(1 + 3x)/sin(5x), with x in radians.

f(x) = ln(1 + 3x)/sin(5x)x → 0
L =
6.Hard
xyx = 0

Find the limit L = limx→0 (1 − cos 4x)/(3x²), with x in radians.

f(x) = (1 − cos 4x)/(3x²)x → 0
L =

Answer key

  1. 1. L = 3
  2. 2. L = 0.08333
  3. 3. L = 0.002479
  4. 4. L = 4
  5. 5. L = 0.6
  6. 6. L = 2.667

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