Analyze the graph of the cube root function shown on the right to determine the transformations of
the parent function. Then, determine the values of
a, h, and k in the general equation.
y=a3.x-h+k
h =
=

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?