Plz
suppose the linear cost function c(x) = 6x gives the cost for buying x items. if the items are sold in packages of 10, and no one can buy more than 5 packages, then the range of the function c is
a) [0, 50]
b) [5, 10]
c) {0, 6, 12, 18, 24, 30}
d) {0, 60, 120, 180, 240, 300}

Here are the 30 best lifetime baseball batting averages of all time, arranged in order from lowest to highest: 0.319, 0.329, 0.330, 0.331, 0.331, 0.333, 0.333, 0.333, 0.334, 0.334, 0.334, 0.336, 0.337, 0.338, 0.338, 0.338, 0.340, 0.340, 0.341, 0.341, 0.342, 0.342, 0.342, 0.344, 0.344, 0.345, 0.346, 0.349, 0.358, 0.366 if you were to build a histogram of these data, which of the following would be the best choice of classes?