Algebra I Exercises: Functions and Relations
By B Horn
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Directions and/or Common Information:
Determine if each set of information given below defines a function or a relation.{(2,3), (5,3), (3,5), (4,2)}
{(2,4), (0,2), (-5,6), (2,3), (-1,0)}
{(4,-4), (5,0), (1,4), (-5,1)}
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
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