Operation on Functions Evaluating

f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f - g)(x).

• x² + 8x + 1

• x² + 6x - 1

• 5x² + 8x - 1

• x² + 8x -1

Tags

CCSS.HSF-BF.A.1B

Given
f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f + g)(x).

• 11x² - 1

• 5x⁴ + 6x² - 1

• 5x² + 6x - 1

• 5x² + 8x - 1

Tags

CCSS.HSF-BF.A.1C

Given f(x) = x² + 5 and g(x) = 2x³ - 1,
find (f/g)(-3).

• -14/55

• 14/55

• 2

• -2

Tags

CCSS.HSF-BF.A.1B

Given f(x) = 3x² - 2x + 1 and           g(x) = x - 4, find (f*g)(x). 

• 3x³ - 10x² - 7x - 4

• 3x³ - 14x² + 9x - 4

• 3x² - x - 3

• 3x³ + 14x² - 9x - 4

Tags

CCSS.HSF-BF.A.1B

Given p(x) = x - 2 and q(x)=2x+5, find p(-4) - q(-4).

• -9

• -3

• -1

• 3

Tags

CCSS.HSF.IF.A.2

Find f(2).

• -2

• -18

• 24

• 6

Tags

CCSS.HSF.IF.A.2

What is the value of f(0)?

• -2

• 2

• 4

• 0

Tags

CCSS.HSF.IF.A.2

Find g(5)

• 3375

• 375

• 25

• 45

Tags

CCSS.HSF.IF.A.2

f(x)=x³-3x g(x)=-4x+1 Find f(2) ⋅ g(2)

• 14

• -18

• 0

• -14

Tags

CCSS.HSF.IF.A.2

Given p(x) = x - 2 and q(x)=2x+5, find p(-4) - q(-4).

• -9

• -3

• -1

• 3

Tags

CCSS.HSF.IF.A.2