Level 3: Inverse Functions

If f(x) = 3x-5 and f⁻¹(a) = 6, then find the value of a?

• -8
• -4
• 0
• 13

• a

• b

• c

• d

• a

• b

• c

• d

• a

• b

• c

• d

• a

• b

• c

• d

f(x)=x²-4
h(x)=3x+3
f(h(x))

• 3x²-9
• 12x²+8x+5
• 16x²-36x+20
• 9x²+18x+5

Given m(x)=3x² + 6x - 1 and n(x) = 0.5x - 3, evaluate n(m(x)).

• 1.5x² - 12x + 8

• 1.5x² + 3x + 8

• 0.75x² + 3x + 8

• 0.75x² - 12x + 8

• 
• 
• 
• 

f(x) = {(3, 7), (4, -2), (5, -1), (8, 7)}
Is f^-1(x) a function?

• Yes
• No
• No way to tell

• 
• 
• 
•