Function Notation

f(x) = 2x + 3; what is f(-2)

• 7

• -7

• -1

• 1

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

f(x) = -2x - 3; what is f(4)

• 11

• -11

• 5

• -5

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

g(x) = x² - 1; what is f(-2)

• 3

• -5

• -3

• 4

f(x) = 4(x-1) + 3; what is f(5)

• 22

• 27

• 21

• 19

f(x) = 2x + 3; what is x if f(x) = 4

• 11

• -1

• 1/2

• 7/2

f(x) = 3x -7; what is x if f(x) = 14

• 35

• 7

• 21

• 26/3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

f(x) = 4x -28; what is x if f(x) = 12

• 40

• 10

• 20

• 30

f(x) = x²; what is x if f(x) = 9

• 3

• 81

• 18

• Not This Answer

f(x) = 3x -7; what is f(2) +3

• 2

• -1

• 16

• 5

f(x) = 2x +3; what is f(3) - 2

• 1

• 7

• 9

• 3