Interpreting a Function Using Function Notation

j(x) = 2x + 3
j(-1) = ______

• 1

• -1

• 5

• -5

Tags

CCSS.HSF.IF.A.2

What is x if
f(x) = -2?

• 4

• 0

• 3

• 8

Tags

CCSS.HSF.IF.A.2

Using f(x) , g(x) , or h(x) instead of y is called using ......

• Slope Notation

• Variable Notation

• Intercept Notation

• Function Notation

Tags

CCSS.HSF.IF.A.2

g(x) = 2x + 1 g(9) means?

• substitute 9 for x

• multiply the variable g time 9

• y is equal to 9

• 2x + 1 equals 9

Tags

CCSS.HSF.IF.A.2

• 2 is the input

• 5 is the independent variable

• there is no input

• 5 is the input

• 2 is the same as 5 and are both inputs

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Select all that apply.

f(x) is the same thing as ______.

• y

• x

• input

• independent variable

• output

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

g(15) = -1
Convert to a coordinate point.

• (15, -1)

• (-1, 15)

• (1, 15)

• (-15, -1)

• (15, 1)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

Tags

CCSS.HSF.IF.A.2

If I know that f(2) = 4, what is another way I can write my answer?

• 2,4

• (2, 4)

• That is the only way to write it.

Tags

CCSS.HSF.IF.A.2

h(x) = 3x + 1 evaluate when h(x) = 10 is the same as saying

• substitute 10 for x

• on a graph y = 10 for this function

• multiply h by 10

• the 10th value of h will be 3x + 1

Tags

CCSS.HSF.IF.A.2