Which one of the following is not a function?
select one:
a. y = x2 – 4x + 2 incorrect
b. x = y2 – 4y + 2
c. y = |x – 2|
d. y= /x-2 incorrect

True or false? many triangular shapes can be circumscribed about a given circle

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?

The function p(x) = –2(x – 9)2 + 100 is used to determine the profit on t-shirts sold for x dollars. what would the profit from sales be if the price of the t-shirts were $15 apiece?