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Functions and Graphs, SMB-002

A function has the equation  `f(x)=(x-2)^2-5`.

State the range of `f(x)`.   (2 marks)

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`text{Range}\ f(x): \ y>=-5`

Show Worked Solution

`text{Consider the function transformation:}`

`y=x^2\ \ text{translated 2 units to the right}\ \ =>\ \ y=(x-2)^2`

`y=(x-2)^2\ text{translated 5 units down}\ \ =>\ \ y=(x-2)^2-5`

`:.\ text{Range}\ f(x): \ y>=-5`

Filed Under: Functions and Other Graphs Tagged With: num-title-ct-patha, smc-4244-20-Range, smc-4244-60-Quadratic

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