Topic: Functions

Let f(x)=3x+8. Which expression represents f^(-1)(x)?

• (x – (8))/3
• 3/(x – (8))
• (3x) – (8)
• (x + (8))/3

Let f(x)=-3x+8 and g(x)=3x+0. Find (f∘g)(6).

• -43
• -30
• -46
• -38

Let f(x)=3x+3. Which expression represents f^(-1)(x)?

• (3x) – (3)
• (x + (3))/3
• 3/(x – (3))
• (x – (3))/3

Let f(x)=2x+-5 and g(x)=1x+-5. Find (f∘g)(-4).

• -25
• -18
• -23
• -28

Let f(x)=-3x+-2. Which expression represents f^(-1)(x)?

• (x + (-2))/-3
• (x – (-2))/-3
• -3/(x – (-2))
• (-3x) – (-2)

Let f(x)=2x+-7 and g(x)=1x+-4. Find (f∘g)(-4).

• -19
• -30
• -23
• -25

Let f(x)=2x+6. Which expression represents f^(-1)(x)?

• (x – (6))/2
• 2/(x – (6))
• (2x) – (6)
• (x + (6))/2

Let f(x)=2x+2 and g(x)=2x+6. Find (f∘g)(-2).

• 8
• 4
• 2
• 6

Let f(x)=4x+1. Which expression represents f^(-1)(x)?

• 4/(x – (1))
• (4x) – (1)
• (x – (1))/4
• (x + (1))/4

Let f(x)=4x+1 and g(x)=1x+-3. Find (f∘g)(6).

• 13
• 9
• 14
• 22

Let f(x)=4x+-7. Which expression represents f^(-1)(x)?

• (x + (-7))/4
• (4x) – (-7)
• 4/(x – (-7))
• (x – (-7))/4

Let f(x)=-2x+-6 and g(x)=3x+5. Find (f∘g)(2).

• -34
• -25
• -28
• -26

Let f(x)=3x+-5. Which expression represents f^(-1)(x)?

• (x – (-5))/3
• (x + (-5))/3
• (3x) – (-5)
• 3/(x – (-5))

Let f(x)=-2x+2 and g(x)=-1x+5. Find (f∘g)(7).

• 8
• 6
• 17

Let f(x)=2x+0. Which expression represents f^(-1)(x)?

• (x – (0))/2
• (x + (0))/2
• 2/(x – (0))
• (2x) – (0)

Let f(x)=-3x+-5 and g(x)=1x+6. Find (f∘g)(-1).

• -25
• -20
• 4
• -17

Let f(x)=3x+8. Which expression represents f^(-1)(x)?

• (3x) – (8)
• (x – (8))/3
• (x + (8))/3
• 3/(x – (8))

Let f(x)=2x+-5 and g(x)=3x+-5. Find (f∘g)(-3).

• -38
• -33
• -35