How will the graph of f (x) = 3x2 - 2 be affected if the function changes to f (x)
= 3x2 + 5?
The vertex of the graph will move up 5
units.
The vertex of the graph will move left 5
units.
The vertex of the graph will move left 7
units.
The vertex of the graph will move up 7
units.

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

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.