Solve the problem.The function f(x) = 1 + 1.3 ln (x + 1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 7 consecutive free throws?
A. 102 days
B. 472 days
C. 100 days
D. 470 days
Answer: C
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Find the value of the expression.log6 67/2
A. 67/2
B.
C.
D. -
Complete the magic (addition) square.Use each number 6, 7, 8, 9, 10, 11, 12, 13, and 14 once.
A.
B.
C.
D.
Solve the problem.The graph of y = f(x) represents the amount of oil in millions of gallons remaining in a tank after x days. (i) Approximate f(3) and f(5). (ii) At what rate was oil being drained from the tank when
A. f(3) ? 32.5, f(5) ? 25; about 15 million gallons per day B. f(3) ? 42.5, f(5) ? 17.5; about 3.75 million gallons per day C. f(3) ? 37.5, f(5) ? 27.5; about 7.5 million gallons per day D. f(3) ? 35, f(5) ? 27.5; about 12.5 million gallons per day
Simplify.(15 - 14)2+ (6 + 1)2
A. 64 B. 38 C. 66 D. 50