Writing a Function Rule

Front

What is a function rule in mathematics?

Back

A function rule is a mathematical expression that describes the relationship between two variables, typically in the form of an equation, where one variable depends on the other.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

How do you write a function rule for a total cost that includes a fixed cost and a variable cost?

Back

The function rule can be written as C = F + Vn, where C is the total cost, F is the fixed cost, V is the variable cost per unit, and n is the number of units.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What does the variable 'c' represent in the context of a book with chapters?

Back

In the context of the book, 'c' represents the number of chapters in the book.

Tags

CCSS.L.1.1B

CCSS.L.2.2C

CCSS.L.3.2D

Front

How do you calculate the total number of pages in a book with a fixed introduction, variable chapters, and a fixed ending?

Back

The total number of pages can be calculated using the formula p = fixed pages + (pages per chapter * number of chapters).

Tags

CCSS.6.EE.B.6

Front

What is the significance of the negative sign in the depth function d = -10 - 50t?

Back

The negative sign indicates that the divers are moving deeper into the water, starting from an elevation of -10 ft.

Tags

CCSS.HSF.LE.B.5

Front

How do you find the depth of divers after a certain time using the function d = -10 - 50t?

Back

To find the depth after a certain time, substitute the value of time (t) into the function and solve for d.

Tags

CCSS.HSF.IF.A.2

Front

What is the formula to calculate a percentage tip on a meal?

Back

The formula to calculate a percentage tip is Tip = (Tip Percentage) * (Cost of Meal).

Tags

CCSS.6.EE.B.6

Front

If a meal costs $45 and you want to leave a 15% tip, how much is the tip?

Back

The tip would be $6.75, calculated as 0.15 * 45.

Tags

CCSS.6.EE.B.6

Front

What is the total amount of money left after paying for a meal and leaving a tip?

Back

Total money left = Initial amount - (Cost of meal + Tip).

Tags

CCSS.6.EE.B.6

Front

How do you calculate the total rental cost for a car based on daily rental rates?

Back

Total rental cost = Daily rental rate * Number of days rented.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2