Subtracting Function

If f(x) = 3x - 2 and g(x) = 2x + 1, find (f - g)(x).

• x - 3

• 3 - x

• 5x - 1

• 5x - 3

Tags

CCSS.HSF-BF.A.1B

For f(x)= 2x + 1 and g(x) = x² - 7, find (f - g)(x).

• x² - 2x - 8

• 2x² - 15

• -x² + 2x + 8

• -x² + 2x - 6

Tags

CCSS.HSF-BF.A.1B

Find f(2)-g(3).

• 0

• 2

• -1

• 1

Tags

CCSS.HSF.IF.A.2

Find f(2)-g(0).

• 1

• -1

• -4

• 4

Tags

CCSS.HSF.IF.A.2

The revenue from selling x shirts is r(x) = 15x.

The cost of buying x shirts is c(x) = 7x + 20.

The profit for selling x shirts is p(x) = r(x) - c(x).

What is p(x)?

• p(x) = 8x -20

• p(x) = 22x + 20

• p(x) = 8x + 20

• p(x) = 22x - 20