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question:When Alice divides her apples into groups of nine, ten, or eleven, she has two apples left over. Assuming Alice has more than two apples, what is the smallest possible number of apples in Alice's collection?

answer:Let A be the number of apples. According to the problem, for some integers d, e, and f, we have: A = 9d + 2, A = 10e + 2, A = 11f + 2. This implies that A - 2 is divisible by 9, 10, and 11. We need to find the LCM of these numbers: - The LCM of 9 and 10 is 90 (since 9 = 3^2 and 10 = 2 cdot 5). - The LCM of 90 and 11 (which is prime) is 990. Thus, 990 divides A - 2. The smallest possible value of A greater than 2 is A = 990 + 2 = boxed{992}.

question:f (f(x) = frac{x^7 1}{4}), find (f^{1}(7/64)).

answer:The value (x = f^{-1}(-7/64)) corresponds to the solution of (f(x) = -7/64). Thus, we set up the equation [ frac{x^7 - 1}{4} = -frac{7}{64}. ] Multiplying through by 4 gives [ x^7 - 1 = -frac{7}{16}. ] Adding 1 to each side results in [ x^7 = -frac{7}{16} + frac{16}{16} = frac{9}{16}. ] Solving for (x), we find [ x = sqrt[7]{frac{9}{16}}. ] The exact value of (x) is found by taking the seventh root: [ x = left(frac{9}{16}right)^{frac{1}{7}}. ] Thus, the inverse function evaluated at (-7/64) is [ f^{-1}left(-frac{7}{64}right) = boxed{left(frac{9}{16}right)^{frac{1}{7}}}. ]

question:The range of the independent variable x in the function y=frac{x}{5x} is ( ) A: x gt 5 B: xgeqslant 5 C: xleqslant 5 D: xneq 5

answer:To solve for the range of the independent variable x in the function y=frac{x}{5-x}, we must ensure the denominator is not equal to zero to avoid division by zero. Thus, we set up the inequality: 1. Start with the condition for the denominator: 5-x neq 0. 2. Solve for x: begin{align*} 5 - x &neq 0 5 &neq x x &neq 5. end{align*} This means that the value of x cannot be 5 for the function to be defined. Therefore, the range of the independent variable x is all real numbers except 5. Thus, the correct answer is boxed{D}.

question:What is the average of all integer values of ( N ) such that ( frac{N}{84} ) is strictly between ( frac{2}{7} ) and ( frac{1}{6} )?

answer:1. Convert ( frac{2}{7} ) and ( frac{1}{6} ) to have a common denominator of 84: [ frac{2}{7} = frac{24}{84}, quad frac{1}{6} = frac{14}{84}. ] This gives the range ( frac{14}{84} < frac{N}{84} < frac{24}{84} ). 2. To find the integer values of ( N ) that satisfy this inequality, we solve: [ 14 < N < 24. ] The integer values of ( N ) in this range are 15, 16, 17, 18, 19, 20, 21, 22, 23. 3. The average of the smallest and largest values (15 and 23) is: [ text{Average} = frac{15 + 23}{2} = frac{38}{2} = 19. ] Therefore, the average of all integer values of ( N ) is ( boxed{19} ).

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