Function Operation Composition Practice

f(x)=x³-3x
g(x)=-4x+1
Find f(x)*g(x)

• -4x³-5x²-3

• -4x³+2x²-3x

• -4x⁴+x³+12x²-3x

• -4x^4-x³+12x²⁺3x

Tags

CCSS.HSA.APR.A.1

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

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) = 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

When f(x) = x² -9 
and g(x) = x+3 ,
find f(x) / g(x). 

• x-3

• x+3

• x-12

• x-6

Tags

CCSS.HSF-BF.A.1B

What is (fg)(x)?

• (2x-4)/x

• 1/(2x-4)

• (2/x)-4

• DNE

Tags

CCSS.HSF-BF.A.1B

What is (f+g)(-1)?

• -6

• -1

• -7

• 6

Tags

CCSS.HSF-BF.A.1B

What is (g/f)(-1)?

• -6

• -1

• 1/6

• 6

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

What is (g/f)(x)?

• (2x-4)/x

• 1/(2x²-4x)

• x/(2x-4)

• (2x-4)(x)

Tags

CCSS.HSF-BF.A.1B