composite function 1

composite function

• option 1

• correct option 2

• option 3

• option 4

g(x)=3x+4

h(x)=3x-1

Find (g∘h)(x)

f(x) = 3x + 10

g(x) = x - 2

Find (f∘g)(0)

The inverse has been reflected over which line?

• y = x
• y =1
• y = 0
• y = x + 1

Are these inverse functions?

• no
• yes
• no way to tell

Where is the decreasing?

• ( −∞, −2.55) , (0, 2.55)
• (∞, −6.25) , (36, −6.25)
• (−∞, ∞)
• (−∞, 0)

• x²+6
• x²+12x+36
• x²+2x+6
• 2x+12

When is this function increasing?

• {x| -2.5 < x < 2.5}
• {x| 0 < x < 5}
• {x| 0 < x < 55}
• {x| -5 < x < 0}

Are these functions inverses?

• No
• Yes
• No way to tell

• 9 - √17
• 4
• 2
• √8