Unit 5B: Function Operations

g(a)= a³+2a²

h(a)=-3a

FIND (g/h)(3)

• 13

• -5

• -7

• 5

Tags

CCSS.HSF-BF.A.1B

h(n)= n² + 1

g(n)= n - 1

FIND (h + g)(-2)

• -4

• 7

• -1

• 2

Tags

CCSS.HSF-BF.A.1B

f(x)= 2x - 2

g(x)= x³ - 1

FIND (f - g)(x)

• -x³ + 2x -1

• x³ + 4x -5

• -x³ - 3x + 1

• No Solution

Tags

CCSS.HSF-BF.A.1B

g(x)= 2x² -5

h(x)= 3x + 2

FIND (gh)(x)

• 4x³ -6x² +10x -15

• -5x³ -4x² -x +2

• 6x³ + 4x² -15x -10

• 2x³ +5x² -6x +1

Tags

CCSS.HSF-BF.A.1B

f(x) = 3x +7 and g(x) = x² -1

FIND f(g(2))

• 16
• 20
• 18
• 14

Tags

CCSS.HSF-BF.A.1C

f(x)= x² -x ; g(x)= 2x -3

FIND f(g(x))

• 3x² - 9x + 6

• x² - 5x + 6

• 2x² - 6x + 5

• 4x² - 14x + 12

Tags

CCSS.HSF-BF.A.1C

FIND the inverse of

f(x)= 3x +6

• f^-1(x) = (x-6)/3

• f^-1(x) = 3x - 6

• f^-1(x) = (3-x)/6

• f^-1(x) = (x+6)/3

Tags

CCSS.HSF-BF.B.4A

g(a)= 3a − 2 h(a) = 4a − 2

FIND (g + h) ( − 10)

• -82
• -64
• -74
• -90

Tags

CCSS.HSF-BF.A.1B

g(x) = 3x + 4 h(x) = x³ + 3x

FIND (g ◦ h)(3)

• 112

• 104

• 78

• 131

Tags

CCSS.HSF-BF.A.1C

g ( a)= − 2a +5 f( a) =3a +5

FIND ( g/f )( a )

• -4a + 20
• (− 2a + 5)/3a + 5

• (-6a + 10)/5a-7

• No Solution

Tags

CCSS.HSF-BF.A.1B