The graph of is stretched vertically with scale factor 2

MATHEMATICS · Subjective · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

The graph of y=3x2+x−2y = 3x^2 + x - 2 is stretched vertically with scale factor 2. Find the equation of the resulting graph in the form y=ax2+bx+cy = ax^2 + bx + c .

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