We have changed our privacy policy. In addition, we use cookies on our website for various purposes. By continuing on our website, you consent to our use of cookies. You can learn about our practices by reading our privacy policy.

Points, Vectors, and Functions Exercises

Example 1

Determine if the function is (a) bounded above or (b) bounded below.

  • y = cos x

Example 2

Determine if the function is (a) bounded above or (b) bounded below.

  • f(x) = 5

Example 3

 Determine if the function is (a) bounded above (b) bounded below.

  • f(x) = x2

Example 4

Determine if the function is (a) bounded above or (b) bounded below.

  • y = x

Example 5

Determine if the function is (a) bounded above or (b) bounded below.

Example 6

Determine if the function is (a) bounded above or (b) bounded below.

Example 7

 Is the function is (a) bounded above or (b) bounded below?

Example 8

 Is the following function (a) bounded above or (b) bounded below?

Example 9

 Is the following function (a) bounded above or (b) bounded below?

Example 10

Is the following statement true or false?

  • If a function is bounded above it must also be bounded below.

Example 11

Is the following statement true or false?

  • If a function f(x) has an upper bound of M there must be some value of x for which f(x) = M.

Example 12

Is the following statement true or false?

  • If there is some K such that f(x) ≥ K for all x, then the function f(x) is bounded below.