Mathematics, 12.02.2021 05:10, 25jzaldivar
Which function is a quadratic function? u(x) = –x + 3x2 – 8 v(x) = 2x2 + 8x3 + 9x y(x) = x2 + 3x5 + 4 z(x) = 7x2 + 2x3 – 3
Answers: 1
Mathematics, 21.06.2019 17:30, aliami0306oyaj0n
Lindsay used two points, (x, y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?
Answers: 2
Mathematics, 21.06.2019 23:00, kj44
Each of the following data sets has a mean of x = 10. (i) 8 9 10 11 12 (ii) 7 9 10 11 13 (iii) 7 8 10 12 13 (a) without doing any computations, order the data sets according to increasing value of standard deviations. (i), (iii), (ii) (ii), (i), (iii) (iii), (i), (ii) (iii), (ii), (i) (i), (ii), (iii) (ii), (iii), (i) (b) why do you expect the difference in standard deviations between data sets (i) and (ii) to be greater than the difference in standard deviations between data sets (ii) and (iii)? hint: consider how much the data in the respective sets differ from the mean. the data change between data sets (i) and (ii) increased the squared difference îł(x - x)2 by more than data sets (ii) and (iii). the data change between data sets (ii) and (iii) increased the squared difference îł(x - x)2 by more than data sets (i) and (ii). the data change between data sets (i) and (ii) decreased the squared difference îł(x - x)2 by more than data sets (ii) and (iii). none of the above
Answers: 2
Which function is a quadratic function? u(x) = –x + 3x2 – 8 v(x) = 2x2 + 8x3 + 9x y(x) = x2 + 3x5 +...
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