Which statement best describes how to determine whether f(x) = x2 - x + 8 is an even function?
determine whether -x2 - (-x) + 8 is equivalent to x2 -- x + 8.
determine whether (-x)2 – ( x) + 8 is equivalent to x2 - x + 8.
determine whether -x2 - (-x) + 8 is equivalent to - x + 8).
determine whether (-x)2 -(x) + 8 is equivalent to - x + 8).

Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?