evaluate functions

Front

What is a function?

Back

A function is a relation that assigns exactly one output for each input from a set of inputs.

Tags

CCSS.8.F.A.1

Front

What does it mean to evaluate a function?

Back

To evaluate a function means to find the output value when a specific input is substituted into the function.

Tags

CCSS.HSF.IF.A.2

Front

If f(x) = x ÷ 3, what is f(12)?

Back

4

Tags

CCSS.HSF.IF.A.2

Front

If y = x * 7, what is the value of y when x = 4?

Back

28

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is f(0) if f(x) = 7?

Back

7

Tags

CCSS.HSF.IF.A.2

Front

If f(x) = 5x + 2, what is f(2)?

Back

12

Tags

CCSS.HSF.IF.A.2

Front

How do you find the output of a function?

Back

Substitute the input value into the function rule and simplify.

Tags

CCSS.HSF.IF.A.2

Front

If f(x) = 3x - 1, what is f(6)?

Back

17

Tags

CCSS.HSF.IF.A.2

Front

What is the output of f(x) = x^2 when x = 3?

Back

9

Tags

CCSS.HSF.IF.A.2

Front

If f(x) = 10, what is the value of x if f(x) = 2x + 6?

Back

2

Tags

CCSS.HSF.IF.A.2