6. If the line y-7 =3(x+5) is dilated with a center at the origin and a scale factor of 4, whicho
following equations would describe its image?
(1) y- 7 = 12(x+5)
(2) y - 28 = 3(x+20)
(3) y-28 = 12(x +20)
(4) y - 28 = 3(x+5)

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