Graphs, MET2 2007 VCAA 1 MC The linear function `f: D -> R,\ f(x) = 6 - 2x` has range `text([−4, 12]).` The domain `D` is `[– 3, 5]` `[– 5, 3]` `R` `[– 14, 18]` `[– 18, 14]` Show Answers Only `A` Show Worked Solution `12` `= 6 – 2x` `x` `= – 3` `- 4` `= 6 – 2x` `x` `= 5` `:. x in [– 3, 5]` `=> A`
Graphs, MET2 2016 VCAA 1 MC The linear function `f: D -> R,\ f(x) = 5 - x` has range `[−4, 5).` The domain `D` is `(0, 9]` `(0, 1]` `[5, −4)` `[−9, 0)` `[1, 9)` Show Answers Only `A` Show Worked Solution `5` `= 5 – x` `-4` `= 5 – x` `x` `= 0` `x` `= 9` `text{(non-inclusive)}` `text{(inclusive)}` `:. x ∈ (0, 9]` `=> A`
Graphs, MET2 2014 VCAA 2 MC The linear function `f: D -> R, f (x) = 4 - x` has range `text{[−2, 6)}`. The domain `D` of the function is `text{[−2, 6)}` `text{(−2, 2]}` `R` `text{(−2, 6]}` `text{[−6, 2]}` Show Answers Only `D` Show Worked Solution `:. D = (−2,6)` `=> D`