Function Operations

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

Given f(x) = -x + 4 and g(x) = 6x + 3, find (f(x) - g(x))

• -7x + 1

• 5x +1

• -5x -1

• 5x + 1

Tags

CCSS.HSF-BF.A.1B

f(x) = 3x + 10
g(x) = x - 2
Find f(g(0))

• 16

• 4

• -4

• None of these.

Tags

CCSS.HSF-BF.A.1C

If f(x) = 3x-1 and g(x) = x²+2,

what is (f ° g)(x) ?

• 3x² +5

• x² +1

• 3x² +1

• 3x² +6

Tags

CCSS.HSF-BF.A.1C

f(x)=x²-4
h(x)=3x+3
f(h(x))

• 3x²-9

• 12x²+8x+5

• 16x²-36x+20

• 9x²+18x+5

Tags

CCSS.HSF-BF.A.1C

What is f^-1(x)?

• f^-1(x) = 4x - 3

• f^-1(x) = -1/4x - 3

• f^-1(x) = 1/4x + 3

• f^-1(x) = -4x - 3

Tags

CCSS.HSF-BF.B.4A

Find the inverse of the function including any restriction on domain

• f^-1 = 2(x − 6)³

• f^-1 = 2(x + 6)³

• f^-1 = (x − 6)³ / 2

• Inverse does not exist

Tags

CCSS.HSF-BF.B.4D

f(x) = 4x+8
g(x) = x+3,
Find f(x) * g(x)

• 4x²+24

• 4x²+20x+24

• 4x²+12x+24

• 4x²+4x+24

Tags

CCSS.HSF-BF.A.1B

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

What is (fg)(x)?

• (2x-4)/x

• 1/(2x-4)

• (2/x)-4

• DNE

Tags

CCSS.HSF-BF.A.1B