Derivatives worksheet with answers

Free printable Derivatives 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

Let f(x) = −5x4 + 4x2 + 6x + 4. Find the slope of the graph at x = 1, that is f′(1).

f(x) = −5x4 + 4x2 + 6x + 4x = 1
f′(1) =
2.Easy
xyx = −2

Let f(x) = 3x3 − 8x2 + x − 8. Find the slope of the graph at x = −2, that is f′(−2).

f(x) = 3x3 − 8x2 + x − 8x = −2
f′(−2) =
3.Medium
xyx = 1

Let f(x) = x·sin(2x), with x in radians. Find f′(1).

f(x) = x·sin(2x)x = 1 rad
f′(1) =
4.Medium
xyx = 0

Let f(x) = (2x + 3)4. Find f′(0).

f(x) = (2x + 3)4x = 0
f′(0) =
5.Hard
xyx = 1

The tangent line to f(x) = −x2 + 4 at x = 1 crosses the y-axis at y = b. Find b.

f(x) = −x2 + 4x = 1
b =
6.Hard
xyx = 1

The tangent line to f(x) = −x2 − x − 2 at x = 1 crosses the y-axis at y = b. Find b.

f(x) = −x2 − x − 2x = 1
b =

Answer key

  1. 1. f′(1) = −6
  2. 2. f′(−2) = 69
  3. 3. f′(1) = 0.077
  4. 4. f′(0) = 216
  5. 5. b = 5
  6. 6. b = −1

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