Sets
Let A = {1, 2, 3, 8} and {x | x is an even whole number less than 9}, find An B

B={x|x is an even whole no less than 9}

Now

A = {1, 2, 3, 8}

• Let set B include the values of x

B = {0, 2, 4, 6, 8}

• Therefore;

0 is its x and y coordinate

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