Finding Values of a Function

Given f(x) = 2x and g(x) = x²+3 , find f(g(x)).

• x²+2x+3

• 4x²+3

• 2x²+3

• 2x²+6

Tags

CCSS.HSF-BF.A.1C

What is the output (y) in the equation: y=2x-3 when x=4?

• 3

• 15

• 5

• 4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Write the function rule for the table.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The ______ values are the set of INPUT values and the ______ values are the set of OUTPUT values.

• x and m

• y and x

• x and y

• m and b

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Mathematical Equivalence

ON

Tags

CCSS.HSF.IF.A.2

Write the function rule for the table.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write the function rule for the table.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

If the input is 5 for x+9, what is the output?

• 14

• 5

• 4

• 45

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Write the function rule for the table.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the output (y) in the equation when x=2?

• 3

• 2

• 10

• 5

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1