Linear equations, relations and functions

Question 1 of 10

A function f is defined by f(x) = (x + 3)/(x − 2). Find the value of x for which f(x) = 2.

Question 2 of 10

Solve x/4 + 3 = 5.

Question 3 of 10

A relation in which every input has exactly one output is a

Question 4 of 10

Which relation is a function?

Question 5 of 10

If f(x) = 4x − 7, find f(3).

Question 6 of 10

Solve 7 − 2x = 1.

Question 7 of 10

If f(x) = 4x − 3, find f(−2).

Question 8 of 10

Solve the inequality 3x − 5 > 7.

Question 9 of 10

Find the inverse of f(x) = (3x − 2)/5.

Question 10 of 10

For f(x) = 3x + 2, find x when f(x) = 17.