Operations on Functions and Composition Functions

When f(x) = 9-3x and g(x) = 5x-7 , find f(x)+g(x). 

• 14x-10

• -8x+2

• 2x+2

• 2x-2

Tags

CCSS.HSF-BF.A.1B

g(4x)

• 1728x³

• 12x³

• 192x³

• 36x³

Tags

CCSS.HSF-BF.A.1C

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

h(x)=x²-3x-10,
j(x)=3x-2
What is (h/j)(-2)

• -2

• undefined

• 0

• 1

Tags

CCSS.HSF-BF.A.1B

Given f(t)=-4t and g(t)=4t+1, find (4f +4g)(t).

• 4

• -4

• -32t + 4

• -32 t - 4

Tags

CCSS.HSF-BF.A.1B

Given f(x) = x² + 5 and g(x) = 2x³ - 1,
find (f/g)(-3).

• -14/55

• 14/55

• 2

• -2

Tags

CCSS.HSF-BF.A.1B

Are the following inverses of each other? Use composition of functions. fog(x) and gof(x)

• True

• False

Tags

CCSS.HSF-BF.B.4B

f(x) = 2x - 2 h(x) =x^2 k(x) = x^2- 4 g(x) = x + 1 j(x) = x^2-3x - 4 Find: (g·f)(x)

Tags

CCSS.HSF-BF.A.1C

f(x) = 2x - 2 h(x) =x^2 k(x) = x^2- 4 g(x) = x + 1 j(x) = x^2-3x - 4 FIND: (k/j)(x)

Tags

CCSS.HSF-BF.A.1B

Find the inverse of
f(x) = 1/4x - 7

• f^-1(x) = 4x + 7

• f^-1(x) = -4x + 28

• f^-1(x) = -4x - 7

• f^-1(x) = 4x + 28

Tags

CCSS.HSF-BF.B.4A