Is it a Function?

Front

What does H(5) = 18 mean in the context of the problem?

Back

The height of the plant after 5 weeks is 18 inches.

Front

What does the notation h(4) = 5 mean?

Back

After 4 weeks the plant is 5 inches tall.

Front

For what value of x does f(x) = -2?

Back

-5

Front

What is the definition of a function?

Back

Every input has only ONE output.

Front

If f(x) = 3x - 9, find f(5).

Back

f(5) = 6.

Front

What is the domain of a function?

Back

The set of all possible input values (x-values) for the function.

Front

What is the range of a function?

Back

The set of all possible output values (y-values) for the function.

Front

What does it mean for a function to be linear?

Back

A function is linear if it can be represented by a straight line on a graph.

Front

What is the slope of a line?

Back

The slope is the ratio of the rise (change in y) to the run (change in x).

Front

What is a vertical line test?

Back

A method to determine if a curve is a function by checking if any vertical line intersects the curve at more than one point.