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Higher November 2016 Unit 2 Q15

WJECHigherCurrent spec2 marksGraphical Transformations

15. Circle either TRUE or FALSE for each statement given below. [2]

GRAPHSTATEMENT
Sketch of a decreasing cubic curve with a point of inflection, crossing the y axis just below OThe equation of this graph could be
\(y = -x^3 - 2\).		TRUEFALSE
Sketch of a cubic curve with a maximum at the y axis and a minimum to the right, crossing the x axis three timesThe equation of this graph could be
\(y = x^3 - 9x\).		TRUEFALSE
Sketch of a reciprocal curve with one branch in the first quadrant and one in the third quadrantThe equation of this graph could be
\(y = x^{-1}\).		TRUEFALSE
Sketch of a cubic curve crossing the x axis at a negative value, at O and at 4The equation of this graph could be
\(y = x^3 + 4\).		TRUEFALSE
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