Applying and analysing functions

What does 'inverse' mean?

• same

• opposite

What would be a proper domain restriction so that the inverse is a function? (Hint: There is more than one correct answer)

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The following two numbers are negative reciprocals of each other
2 and -1/2

• True
• False
  

What is the inverse function of a quadratic function(y = x²)?

• A square root function

• 2x

• Another quadratic

• A linear function

• [-1, 1]

• All real numbers

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To which intervals could we restrict the domain of f(x) to make it an invertible function? Choose all answers that apply.

• -4 ≤ x < 0

• 0 < x ≤ 4

• 4 ≤ x < 8

• none of the above

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Which of the following graphs is the graph of the INVERSE of y = sin(x) ?

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• [-1, 1]

• All real numbers

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