The differences in y-values produced by a constant change in 2-values in a function are called___ differences.

•first

•second

•parabolic

•quadratic

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?

Using the returns shown above, calculate the arithmetic average returns, the variances, and the standard deviations for x and y. g