A1 and A2 Review

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

f(x) = 9-3x
g(x) = 5x-7
Find f(x)+g(x). 

• 14x-10
• -8x+2
• 2x+2
• 2x-2

Tags

CCSS.HSF-BF.A.1B

f(x)=x²+1
g(x)=2x-5
Find f(x)-g(x)

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

Tags

CCSS.HSF-BF.A.1B

f(x)=x²+1

g(x)=2x-5

Find f(x)-g(x)

• x²-2x+6

• -x²+2x+4

• -x²-2x-6

• x²-2x-4

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

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

f(x) = 4x+8

g(x) = x+3,

Find f(x)*g(x)

• 4x²+24

• 4x²+20x+24

• 4x²+12x+24

• 4x²+4x+24

f(x) = 3x-1

g(x) = x+5,

Find f(x)*g(x)

• 3x² + 4x + 5

• 3x² + 4x - 5

• 3x² + 14x + 5

• 3x² + 14x - 5

f(x) = 3x+2

g(x) = 2x+4,

Find f(x)*g(x)

• 6x² + 16x + 8

• 5x² +11x + 6

• 5x² + 16x + 6

• 6x² + 11x + 8

f(r) = r+7

g(r) = 2r-4,

Find f(r)*g(r)

• 2r ² − 28

• 2r ² + 18r -28

• 2r ² +10r -28