5.3 - Inverse Functions

The inverse of the function f(x) is written as ...

• f ^-1(x)
• f ²(x)
• f '(x)
• f ⁺(x)

What does an inverse function do?

• Nothing

• Makes it bigger

• Does the opposite of the original function

What does it mean to find the inverse of a function?

• the x's and y's are switched
• the x's and y's are divided by 2
• the x's and y's are made negative
• the x's and y's are the same

In an inverse function, the _____ and _______ are switched from the original

• f(x) and g(x)
• input and output
• positives and negatives
• slope and intercept

Which is the inverse of the function shown in the table?

• 
• 
• 
• 

What is the inverse of the function: {(1,3), (2,4), (6,2)}

• {(2,6), (3,1), (4,2)}

• {(-3,-1), (-4,-2), (-2,-6)}

• {(1,3), (2,4), (6,2)}

• {(-1,-3), (-2,-4), (-6,-2)}

If the equation of f(x) goes through (-1, 4) and (4, 6), what points does f^-1(x) go through?

• (1, 4) and (4, 6)

• (-4, -1) and (-6, -4)

• (-1, -4) and (-4, -6)

• (4, -1) and (6, 4)

If f^-1(-25) = 7 then f(7) = 

• 25
• 7
• -25

When does a function have an inverse?

• If the function passes the VLT

• If the function passes the HLT

• If the function is a parabola

• If the function is a vertical line

Does the graph represent a function that has an inverse?

• yes

• no