Algebra 1 Functions Review

Front

What is a function?

Back

A function is a relation where every input has only one output.

Tags

CCSS.8.F.A.1

Front

What does d(4) = 37 mean in the context of Derek's earnings?

Back

After 4 hours of work, Derek makes $37.

Tags

CCSS.HSF.IF.A.2

Front

Write the equation for the total cost of a holiday meal for x people, including a delivery fee of $30.

Back

y = 30 + 12.5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

If f(x) = 2x + 1, what is f(1)?

Back

f(1) = 3

Tags

CCSS.HSF.IF.A.2

Front

What is the output of a function when the input is 0?

Back

The output is the y-intercept of the function.

Tags

CCSS.HSF.LE.B.5

Front

What is the slope of the line represented by the function f(x) = 3x + 2?

Back

The slope is 3.

Tags

CCSS.8.EE.B.5

Front

How do you find the y-value when given an x-value in a function?

Back

Substitute the x-value into the function's equation.

Tags

CCSS.HSF.IF.A.2

Front

What does it mean if a function is linear?

Back

It means the graph of the function is a straight line.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What is the domain of a function?

Back

The domain is the set of all possible input values (x-values) for the function.

Front

What is the range of a function?

Back

The range is the set of all possible output values (y-values) for the function.