AlgebraLab

Algebra I Exercises: Functions and Relations

By B Horn

Directions and/or Common Information:

Determine if each set of information given below defines a function or a relation.

Directions and/or Common Information:

Evaluate each function.

Determine f(3) for f(x) = 5x - 2

Determine f(-1) for f(x) = 2x2 + 8

Evaluate f(x) = 5x2 - 2x + 3 for x = -2

Evaluate f(x) = (6x - 9)/(5x + 2) for x = 3

Evaluate f(x) = 3x3 - 8 + 12x for x = -5