The graph represents the cost of catering a dinner as a function of the number of guests. what is the catering cost for a dinner with 40 guests? $400 $600 $700 $800

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

a .4y4

hope this !