Sem 2 Review Math 3

What's the best description?

• Not inverses, and both are functions

• Inverses, and they are not both functions.

• Not inverses, and they are not both functions.

• Inverses, and both are functions

Which shows both graphs being functions and the graphs being inverses?

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Which graph shows inverse functions?

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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

Are these functions inverses?

• Yes
• No

Use the horizontal line test to determine if the function has an inverse function.

• yes

• no

Find the inverse of f(x) = -4x - 12

• f^-1(x) = 4x - 3
• f^-1(x) = -1/4x - 3
• f^-1(x) = 1/4x + 3
• f^-1(x) = -4x - 3

log(4x)

• log4-logx

• 4logx

• log4+logx

• xlog4

log(y/x​)

• logx+logy

• log(x-y)

• xlogy

• logx-logy

Condense: log16 + log2 - log8

• log4

• log10

• log8

• log24