Composition and Inverse Review

Which is f ^-1(x)?

• f ^-1(x) = 3x + 5

• f ^-1(x) = 3x - 5

• f ^-1(x) = 3x - 15

• f ^-1(x) = 3x + 15

Which is the inverse of the table?

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Which table shows the inverse values of the function shown in the graph?

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f(n)=x²+1 g(n)=2x-5

Which of the following is NOT true?

Which of the following statements about inverse functions is NOT true?

• All functions have an inverse function.

• You can determine if a function has an inverse by applying the HORIZONTAL line test.

• If a function has an inverse, the first step to solving for it is to switch x and y in the equation.

• Inverse Functions
• Not Inverse Functions

• Inverse Functions
• Not Inverse Functions

Walmart is going out of business, all items are 25% off. In addition, you have a coupon for $50 off of any item because you got bad customer service.

Write a function that represents the sale price for any item in the store.

Walmart is going out of business, all items are 25% off. In addition, you have a coupon for $50 off of any item because you got bad customer service.

Write a function that represents the coupon discount for any item in the store.