ahat7850 ahat7850 31-07-2024 Mathematics Answered Use the following linear regression equation to answer the questions. x¹ = 2.0 + 3.0x² – 7.8x³ + 2.4x⁴ (A) Which variable is the response variable? 1. x⁴ 2. x¹ 3. x² 4. x³