Solve the problem.If an object is projected upward with an initial velocity of 112 ft per sec from a height h of 128 ft, then its height t sec after it is projected is defined by the equation . How many sec after it is projected will it hit the ground?

A. 1 sec
B. 9 sec
C. 8 sec
D. 10 sec


Answer: C

Mathematics

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Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.log3 (x + 3) + log3 (x + 1) = log3 24

A. 7 B. 3 C. -7, 3 D. No solution

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Solve the problem.A man has a total of $110,000 invested in three rental properties. One property earns 7.5% per year on its investment, the second earns 9%, and the third earns 10%. The three properties earn a total of $9600 per year. What is the largest amount that could be invested at 7.5%?

A. $56,000 B. $54,000 C. $110,000 D. $50,000

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Decide whether or not the functions are inverses of each other.f(x) = 5x - 3, g(x) = 

A. No B. Yes

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Evaluate -(-x) for the given value of x.x = - 

A.
B.
C. - 
D. - 

Mathematics