M3 Lesson 1&2 (IF.1&2)

Front

What does the function f(x) = 0.35x + 85 represent?

Back

The cost to rent a boat for x 30-minute intervals of time.

Front

What does f(6) mean in the context of the function f(x) = 0.35x + 85?

Back

The cost to rent the boat for 3 hours.

Front

What is a function in mathematics?

Back

A relation where each input (x) has exactly one output (y).

Front

What is the domain of a relation?

Back

The set of all possible input values (x) for the relation.

Front

Given the relation {(0,−1),(2,−3),(3,−2)}, what is the domain?

Back

{0, 2, 3}.

Front

What is the range of a relation?

Back

The set of all possible output values (y) for the relation.

Front

How can you determine if y is a function of x in a table?

Back

Check if each x value corresponds to only one y value.

Front

What does the function f(x) = 1(3)^x model?

Back

The number of virus cells present in a sample after x minutes.

Front

How do you evaluate f(1.5) for the function f(x) = 1(3)^x?

Back

Substitute 1.5 into the function to find the number of cells.

Front

What is the value of f(1.5) for f(x) = 1(3)^x?

Back

Approximately 5 cells.