5.5 - 5.7 Cumulative Quizizz

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) = 8x + 13 and g(x) = x² - 5x
Find f(x) + g(x)

• x² + 3x + 13
• 12x + 13
• 9x² - 5x + 13
• 8x +13 + x² - 5x

Tags

CCSS.HSF-BF.A.1B

f(n)=x²+1
g(n)=2x-5
Find f(n)-g(n)

• x²-2x+6
• -x²+2x+4
• -x²-2x-6
• x²-2x-4

Tags

CCSS.HSF-BF.A.1B

f(x) = x²+9
g(x) = x-9
Find f(x)-g(x). 

• x²+x+9
• x²-x+9
• x²-x
• x²-x+18

Tags

CCSS.HSF-BF.A.1B

f(x) = 6x² + 3x + 2 and g(x) = x - 7
Find f(x) * g(x)

• 6x³ - 39x² - 19x - 14
• 6x³ - 39x² - 21x - 14
• 6x³ - 39x² - 19x - 14
• 6x³ - 45x² - 19x + 14

Tags

CCSS.HSF-BF.A.1B

If g(x) = 6x + 4  and
f(x) = 2x - 7
Find f(x) * g(x)

• 8x - 3
• 4x + 11
• 12x² - 28
• 12x² - 34x - 28

Tags

CCSS.HSF-BF.A.1B

f(x)=x²-1
g(x)=x-1
Find (f/g)(x)

• x+1
• x²+1
• x
• x²-1

Tags

CCSS.HSF-BF.A.1B

If f(x)=x+3 and 
g(x)=x-2
Find g(x)/f(x)

• (x+3)/(x-2), x cannot equal 2
• (x-2)/(x+3), x cannot equal -3
• -2/3
• 3/2

Tags

CCSS.HSF-BF.A.1B

f(x) = x² + 4 + 2x
g(x) = -3x + 2
Find (f + g)(-3) =

• 0
• 7
• 11
• 18

Tags

CCSS.HSF-BF.A.1B

f(x) = x² + 3
g(x) = 4x - 3
Find (fg)(-1)

• 4
• 28
• -4
• -28

Tags

CCSS.HSF-BF.A.1B