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Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?