Functions: domain, range, composite and inverse

Question 1 of 10

If f(x) = 2x − 1, then f(2) = ___

Question 2 of 10

Find the inverse of f(x) = 5x + 5.

Question 3 of 10

If f(x) = 2x + 7, find f(5).

Question 4 of 10

The set of all outputs is the

Question 5 of 10

The set of all possible inputs of a function is its

Question 6 of 10

A function f is defined by f(x) = 3x + k and f(2) = 11. Find k and f⁻¹(x).

Question 7 of 10

If f(x) = 5x + 3 and g(x) = 4x − 5, find f(g(3)).

Question 8 of 10

A function is one-to-one if

Question 9 of 10

Find the inverse of f(x) = 5x + 2.

Question 10 of 10

Every function is a relation.