Linear function/function notation

Front

What does f(2) mean?

Back

Let x = 2.

Front

What is the input (independent variable) when height in inches is a function of age in years?

Back

Age in years.

Front

How do you read f(x)?

Back

f of x.

Front

If f(x) = 2x + 1, what is f(1)?

Back

f(1) = 3.

Front

What is the function rule if the line has a slope of -2 and a y-intercept of 10?

Back

y = -2x + 10.

Front

What is a linear function?

Back

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

Front

What does the 'm' represent in the equation of a linear function?

Back

The slope of the line.

Front

What does the 'b' represent in the equation of a linear function?

Back

The y-intercept of the line.

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Front

What is the slope of the line represented by the equation y = 3x - 5?

Back

The slope is 3.