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Questions

Practice with numerical reasoning questions on ordering expressions, calculating income tax rates, understanding natural logarithms, and analyzing domain-range relationships. Improve your math skills for tests or exams.

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Questions

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  1. Questions

  2. Numerical Reasoning • Let a and x be any real numbers with a>0, x>0 and a>x. • Arrange the following expressions in increasing order

  3. Similar question • Let a be a real number and 0<a<1. Arrange the following expressions in increasing order

  4. Tax Problem • Your income tax is 15 % on the first $20,000 of income and 25% on everything above $20,000. • Which of the following expressions represents the function described above if i represents income and T(i) is the tax function • A) • B) • C) • D)

  5. Natural Logs • In the expressions below, x>1. What is the effect of increasing x on the value of the expression. • Is the value positive, negative, zero, or undefined • Does the value increase, decrease, or remain the same • Extension: 0<x<1

  6. Domain - Range • Given: • What happens to the value of f(x) as x increases positively? • What happens to f(x) as x becomes more negative? • What happens to f(x) as x approaches 0 through positive values? • What happens to f(x) as x approaches 0 through negative values? • Sketch the graph

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