Hargis Functions Test Review 2023

Front

What is the domain of a relation?

Back

The set of all x-values.

Front

Write an equation to find the amount of money 'y' Pablo will have after 'x' number of lawns if he starts with $12 and earns $7 for each lawn mowed.

Back

y = 7x + 12

Front

If Frank has $33 to spend on paddle boat rentals, what is the domain of the situation given the equation C=2h+15?

Back

0 < x < 9

Front

What type of function is represented by the equation y = |x|?

Back

Absolute value function.

Front

What is the range of the function if the output values are between -4 and 5?

Back

[-4, 5]

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 slope of a linear function represent?

Back

The rate of change of the function, indicating how much y changes for a unit change in x.

Front

What is the y-intercept in the equation y = 3x + 4?

Back

4, which is the value of y when x = 0.

Front

How do you determine the range of a function?

Back

By identifying all possible output values (y-values) of the function.

Front

What is a quadratic function?

Back

A function that can be expressed in the form y = ax^2 + bx + c, where a ≠ 0.