Mathematics Test—No Calculator - College Board - Power function calculator given points

power. It is given that 3 x minus . y. equals 12 so one can substitute 12 for the exponent, 3 x. minus . y, giving that the expression the fraction 8 to the power . x, over 2 to the power . y, is equal to 2 to the power 12. Choices B and C are incorrect because they are not equal to 2 to the power 12. ................
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