12 x tables

Identify the rule for the table shown. X Y 25 19 36 30 15 9 18 12 => dividing by 6 or adding 6 or subtracting 6 or multiplying by 6..

The data corresponding to the attitudes of six persons before and after watching a movie on exercise is given. A high value indicates a more favorable attitude towards exercise. At 99% confidence find the test value and check whether the means differ. Before (X 1 ) 12 14 9 8 5 A..

Using the table for area under standard normal curve to find the value of P (- 1.6 < x < 1.2) . => 0.8301 or 0.4452 or 0.3849 or 0.0993..

Name the type of model that best fits the data collection. X -2 -1 0 1 2 3 Y -12 -5 0 3 4 3 => Exponential model or Linear model or Cubic model or Quadratic model..

Which of the following rules represents the quadratic function? Input x 1 2 3 4 Output f ( x ) 2 -2 -12 -28 => f ( x ) = 5 x - 3 x 2 or f ( x ) = x - 3 x 2 or f ( x ) = 5 x - x 2 ..

Identify the equation that represents the table. x 6 9 12 15 y 4 5 6 7 => y = 3 x - 1 or y = 3( x + 1) or y = x + 2 or y = x 3 + 2..

Find the equation in vertex form for the parabola defined by the values shown in the table. x 0 1 2 3 4 y 12 4 4 12 28 => y = 4( x - 1.5) 2 + 3 or y = 4( x - 1.5) 2 - 3 or y = 4( x + 1.5) 2 + 3 or y = - 4( x - 1.5) 2 + ..

The half-life of 92 U 238 against alpha decay is 4.5 x 109 years. How many disintegrations per second occur in 1 g of 92 U 238 ? Suggested solution: Again, since one k mole of any isotope contains Avogadro's number of atoms, there fore 1 g of 92 U 238 contains Half ..

The heights of a bouncing ball dropped from an initial height of 12 ft is showin in the table. Choose the type of model and its equation which corresponds most closely to the data? Bounce( x ) 0 1 2 3 4 6 8 10 Height(H)feet 12 10.8 9.7 8.7 7.8 6.4 5.2 4.2 => ..

Find the missing number in the table. x 2 4 6 8 y 6 12 18 ? => 20 or 24 or 28 or 18..