Quiz 5: Operations and Inverses

f(x)=2x+4

g(x)=3x²-1

Find f(x)⋅g(x)

• 6x⁴+12x³-4x²-8x

• -6x³+12x²+2x-4

• 6x³+12x²-2x-4

• 5x²-18x+20

Tags

CCSS.HSF-BF.A.1B

g(x)=2x+2
f(x)=x-1
Find (gf)(x)

• -3x³-7x²-2x
• 2x³-2
• 2x²-2
• 2x²+4x+2

Tags

CCSS.HSF-BF.A.1C

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.1C

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.1C

Given that f(x) = x² + x and g(x) = 3x + 1, find the value of f(g(4)).

• 182
• 40
• 61
• None of the Above

Tags

CCSS.HSF-BF.A.1C

Find f[g(5)]

• 30

• 242

• 92

• 2

Tags

CCSS.HSF-BF.A.1C

• 24

• 96

• 2

• -4

• 4

Tags

CCSS.HSF-BF.A.1C

Tags

CCSS.HSF-BF.A.1C

Tags

CCSS.HSF-BF.A.1B

Tags

CCSS.HSF-BF.A.1C