Unit 4: Function Notation

Front

What does the function c(m) = 1.45m + 3.50 represent?

Back

The cost of a taxi for m miles.

Front

What does c(7) represent in the function c(m) = 1.45m + 3.50?

Back

The cost to ride 7 miles.

Front

If f(x) = -3x - 8, what is f(-1)?

Back

f(-1) = -5.

Front

How can you express the point where f(2) = 4?

Back

(2, 4) is another way to write it.

Front

What does the function g(x) = 3x + 4 tell us?

Back

It tells how much to charge if someone buys x packages of bubble gum.

Front

What does g(8) represent in the context of g(x) = 3x + 4?

Back

g(8) = 28. This means that 8 packages of gum costs $28.

Front

In the context of raising money for books, what does m represent?

Back

m represents the amount of money Carey and Justin raise.

Front

In the context of raising money for books, what does b represent?

Back

b represents the number of books Carey and Justin will be able to purchase.

Front

Which variable is dependent in the relationship between money raised and books purchased?

Back

b is the dependent variable.

Front

What is function notation?

Back

Function notation is a way to represent a function using symbols, typically f(x), where f is the function name and x is the input.