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which is a possible turning point for the continuous function f(x)?

a. (–3, –4)
b. (–2, –1)
c. (0, –5)
d. (1, –8)

b (-1, -2) because the function value changed from increasing to decreasing

- (2, -7)

- lines r and s and lines t and u must be parallel

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