D. + 1.5x2 + 16x 162.5 y = –0.05x3 – ____ 20. Determine the equation of the cubic regression function for the data. 0 2 3 3 6 8 11 12 12 x 18.5 26.7 31.3 32.8 41.5 45.0 48.3 47.6 49.1 y A. 1.4x3 + 0.2x2 5.1x + 18.3 y = – B. + 0.2x2 + 5.1x + 18.3 y = –1.4x3 1.4x3 0.2x2 5.1x + 18.3 C. y = – – D. 0.2x2 + 5.1x + 18.3 y = –1.4x3 – Short Answer 1. What is the degree of a linear function? 2. Determine the degree of this polynomial function: 3. Determine the degree of this polynomial function: = 5x + 1 f(x) x2 – 4. Determine the degree of this polynomial function: = 104 + f(x) x2 x – Determine the leading coefficient of this polynomial function: 5. = 5x + 1 f(x) x2 – 6. Determine the leading coefficient of this polynomial function: = 104 + f(x) x2 x –
D. y = –0.05x3 + 1.5x2 + 16x – 162.5 ____ 20. Determine the equation of the cubic regression function for the data. x 0 2 3 3 6 8 11 12 12 y 18.5 26.7 31.3 32.8 41.5 45.0 48.3 47.6 49.1 A. y = 1.4x3 + 0.2x2 – 5.1x + 18.3 B. y = –1.4x3 + 0.2x2 + 5.1x + 18.3 C. y = 1.4x3 – 0.2x2 – 5.1x + 18.3 D. y = –1.4x3 – 0.2x2 + 5.1x + 18.3 Short Answer 1. What is the degree of a linear function? 2. Determine the degree of this polynomial function: 3. Determine the degree of this polynomial function: f(x) = x2 – 5x + 1 4. Determine the degree of this polynomial function: f(x) = 104 – x2 + x 5. Determine the leading coefficient of this polynomial function: f(x) = x2 – 5x + 1 6. Determine the leading coefficient of this polynomial function: f(x) = 104 – x2 + x
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