Shade the region defined by `3x-4y<12` on the graph below and verify your result. (3 marks)
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`text{Test}\ (0,0):`
`3(0)-4(0)<12\ \ =>\ \ 0<12\ \ text{(correct)}`
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`xtext{-intercept occurs when}\ y=0:`
`3x-4(0)=12\ \ =>\ \ x=4`
`ytext{-intercept occurs when}\ x=0:`
`3(0)-4y=12\ \ =>\ \ y=-3`
`text{Test}\ (0,0):`
`3(0)-4(0)<12\ \ =>\ \ 0<12\ \ text{(Correct – is in shaded area)}`