OCR MEI Paper 2 2021 November — Question 1

Exam BoardOCR MEI
ModulePaper 2 (Paper 2)
Year2021
SessionNovember
TopicCurve Sketching
TypeSingle transformation application

1 The equation of a curve is \(y = 4 x ^ { 2 } + 8 x + 1\).
The curve is stretched parallel to the \(x\)-axis with scale factor 2 .
Find the equation of the new curve, giving your answer in the form \(\mathrm { y } = a \mathrm { x } ^ { 2 } + b \mathrm { x } + c\), where \(a , b\) and \(c\) are integers to be determined.