3-1 to 3-3 Review

Front

Is the relation in the arrow diagram a function?

Back

Yes, a relation is a function if each input has exactly one output.

Front

Is this graph a function or not a function?

Back

Function, a graph is a function if it passes the vertical line test.

Front

Is the relation in the arrow diagram a function?

Back

No, a relation is not a function if at least one input has more than one output.

Front

In the equation y = -14x + 7, what is the rate of change?

Back

-14, the rate of change is the coefficient of x in the equation.

Front

Is this graph a function or not a function?

Back

Function, it passes the vertical line test.

Front

What is a function?

Back

A function is a relation that assigns exactly one output for each input.

Front

What is the vertical line test?

Back

A method to determine if a graph represents a function; if a vertical line intersects the graph at more than one point, it is not a function.

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x.

Front

What is the definition of a linear function?

Back

A linear function is a function that graphs to a straight line and can be expressed in the form y = mx + b.

Front

What does the term 'rate of change' mean?

Back

Rate of change describes how much one quantity changes in relation to another quantity.