The price of an item has been reduced by 40% their original price was $40 what is the price of the item now

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

Afunction is given: f(x)=3x+12 a. determine the inverse of this function and name it g(x) b. use composite functions to show that these functions are inverses. c. f(g(– explain: what is the domain?

Use sigma notation to represent the following series for 9 terms.