What is the range of the function f(x)=x+5 for the domain {-4, -2, 0, 2, 4}?

{1, 3, 5, 7, 9}

Just plug those numbers back into the equation. Domain is all your possible x values and range is all your possible y values.

change of stock price/initial stock price on friday * total stock value = change of stock value

0.89/73.73 *x = 42.72

x=3539.04 = total stock value at initial stock price on friday .

total stock value at initial stock price on friday/ initial stock price on friday = number of shares

3539.04/73.73 = 48 shares

they own 48 shares of this stock