Function operations and composition

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.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

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

g(x)=3x+4
h(x)=3x-1
Find g(h(x))

• -9x+11
• 4x²+4x
• 9x+1
• 9x+11

Tags

CCSS.HSF-BF.A.1C

Who is this?

• spongebob
• gary
• bob
• patric

Tags

CCSS.8.EE.C.7B

Who is this?

• nemo
• marlin
• coral

Tags

CCSS.8.EE.C.7B

Who is this?

• mario
• luigi
• peach
• bowser

Tags

CCSS.6.EE.B.6

Find f(2).

• -2

• -18

• 24

• 6

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

Find g(5)

• 3375

• 375

• 25

• 45

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

f(g(x))

• 3x - 16

• 3x - 2

• 3x - 26

• 4x - 2

Tags

CCSS.HSF-BF.A.1C