A triangle has area square units

MATHEMATICS · Single correct · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

A triangle has area 66 square units. Under the transformation (x,y)→(3x,−2y)(x,y) \to (3x,-2y), what is the area (in square units) of the image triangle? (a) 3030 (b) 1818 (c) 3636 (d) 66

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