Evaluating Functions

Front

f(x) is the same thing as ______.

Back

y

Front

Which set of ordered pairs is not a function? A: (1, 2), (1, 3), (2, 4), (3, 5) B: (1, 2), (2, 3), (3, 4), (4, 5) C: (1, 2), (2, 3), (2, 4), (3, 5) D: (1, 2), (2, 3), (3, 4), (4, 5)

Back

A

Front

If f(x) = x + 7, what does f(5) equal?

Back

12

Front

If f(x) = x/2, what is f(8)?

Back

4

Front

Which diagram is not the graph of a function? A, B, C, or D?

Back

A

Front

What is the definition of a function?

Back

A relation where each input has exactly one output.

Front

What is the vertical line test?

Back

A method to determine if a graph represents a function; if a vertical line crosses the graph more than once, it is not a function.

Front

If f(x) = 3x - 5, what is f(2)?

Back

1

Front

What does it mean for a function to be linear?

Back

A function that graphs to a straight line, represented by the equation y = mx + b.

Front

If f(x) = x^2, what is f(-3)?

Back

9