Creating Functions

Write an equation for the table.

• f(x) = -2x + 6

• f(x) = 2x + 6

• f(x) = 6x - 2

• f(x) = -2x + 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the slope represented in the table?

• 2

• -2

• 1/2

• -1/2

Tags

CCSS.8.EE.B.5

What is the y-intercept represented in the table?

• 6

• -2

• 4

• 3

Tags

CCSS.HSF.LE.B.5

What is the value of f(-4)?

• 4

• 14

• -2

• 16

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Find f(x) - g(x)

• x² - 7x + 2

• -x² + 7x + 2

• -x² - 7x + 2

• -x² - 7x + 4

Tags

CCSS.HSF-BF.A.1B

Find f(x) - g(x)

• 2x² + 8x - 8

• 3x² + 8x - 8

• 2x² + 8x + 8

• 2x² + 4x - 8

Tags

CCSS.HSF-BF.A.1B

Answer explanation

To find g(x) - h(x), we need to subtract the functions. If g(x) = 3x and h(x) = 8, then g(x) - h(x) = 3x - 8, which matches the correct answer choice.

Tags

CCSS.HSF.BF.A.1

How would you write y = 2x - 3 in function notation?

• y = 2x-3

• f = 2x - 3

• f(x) = 2x-3

Tags

CCSS.HSF.IF.A.2

Answer explanation

To find g(x) - h(x), we need to subtract the functions. If g(x) = 3x and h(x) = 8, then g(x) - h(x) = 3x - 8, which matches the correct answer choice.

Tags

CCSS.HSF.BF.A.1.b

Write an equation for the table.

• f(x) = 5/2x + 5

• f(x) = -5/2x - 2

• f(x) = 2/5x + 5

• f(x) = 5/2x - 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2