Solve the problem.The distance d in miles that can be seen on the surface of the ocean is given by 
where h is the height in feet above the surface. How high (to the nearest foot) would a platform have to be to see a distance of 14.5 miles?
A. 112 ft
B. 273 ft
C. 124 ft
D. 210 ft
Answer: C
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A prime number is a natural number that is larger than 1 and can only be divided exactly by itself and 1.Which of the following sets of numbers contains only prime numbers?
A. { 31, 29, 35 } B. { 25, 11, 31 } C. { 19, 29, 31 } D. { 11, 19, 12 } E. { 19, 15, 29 }
Use identities to simplify the expression.
+ sec w cos w
A. 1 B. csc2 w C. tan2 w D. sec2 w
Solve the problem.Austin invested $12,000 in an account at 8% compounded annually. Find the amount in Austin's account after a period of 8 years.
A. $22,171.07 B. $22,211.16 C. $10,614.49 D. $22,614.49
Find all rational zeros and factor f(x).f(x) = x3 - 6x2 + 5x + 12
A. -4, -3, 1; f(x) = (x + 4)(x + 3)(x - 1) B. 5, 4, -1; f(x) = (x - 5)(x - 4)(x +1) C. -5, -4, 1; f(x) = (x + 5)(x + 4)(x - 1) D. 4, 3, -1; f(x) = (x - 4)(x - 3)(x + 1)