The circle in the figure has a radius of r and center at C. The distance from A to B is x.
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If 
and 
, find x.
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Apply the rules regarding the use of significant digits when determining your answer.
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Fill in the blank(s) with the appropriate word(s).
15
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Solve the problem.Suppose that $1100 is invested at 5% interest, compounded semiannually. Find the function for the amount of money after t years.
A. A(t) = 1100(1.05)t B. A(t) = 1100(1.025)t C. A(t) = 1100(1.025)2t D. A(t) = 1100(1.05)2t
Solve the problem.The formula A = P + Prt represents the value, A, of an investment of P dollars at a yearly simple interest rate, r, for t years. The equation to model the value, A, of an investment of $97 at 5.15% for t years is given by A = 97 + 5t. The equation to model the value, A, of an investment of $101 at 3.96% for t years is given by A = 101 + 4t. Assuming A has the same value, the given equations form a system of two linear equations. Solve this system using an algebraic approach and interpret your answer.
A. t = 5; The two investments will reach the same value in 5 years. B. t = 400; The two investments will reach the same value in 400 years. C. t = 4; The two investments will reach the same value in 4 years. D. t = 8; The two investments will reach the same value in 8 years.
Write the domain of the rational function in interval notation.f(x) = 
A. (-?, 0) ? (0, 6) ? (6, ?) B. (-?, -6) ? (-6, 0) ? (0, 6) ? (6, ?) C. (-?, 0) ? (0, 36) ? (36, ?) D. (-?, -6) ? (-6, 6) ? (6, ?)
Find the domain of the function.f(x) = x - 
A. (-?, ?) B. (-?, 3) ? (3, ?) C. (-?, 6) ? (6, 3) ? (3, ?) D. (-?, 6) ? (6, ?)