Math 4 Unit 2 Functions Test Class 3A Makeup

Front

What is the equation of the linear regression model for the given data set?

Back

Front

Evaluate g(-2) for the piecewise function g(x).

Back

4.6

Front

Evaluate f(-6) for the function f(x) = 3x - 19.

Back

-37

Front

Find g(f(x)) if f(x) = 3x + 5 and g(x) = x^2 + 1.

Back

Front

Calculate g(3) - f(2) if f(x) = 3x - 4 and g(x) = x^2.

Back

7

Front

What is a linear function?

Back

A linear function is a function that can be graphically represented in the Cartesian plane as a straight line, typically in the form f(x) = mx + b, where m is the slope and b is the y-intercept.

Front

Define a piecewise function.

Back

A piecewise function is a function that is defined by different expressions or formulas for different intervals of the input variable.

Front

What is the slope-intercept form of a linear equation?

Back

The slope-intercept form is given by the equation y = mx + b, where m is the slope and b is the y-intercept.

Front

What does the term 'regression' mean in statistics?

Back

Regression is a statistical method used to determine the relationship between a dependent variable and one or more independent variables.

Front

How do you evaluate a function at a specific point?

Back

To evaluate a function at a specific point, substitute the value of the variable into the function's equation and simplify.