Maths-
SAT
Easy

Question

The function g is defined as g left parenthesis x right parenthesis equals fraction numerator 2 x over denominator 3 end fraction plus 3. What is the value of g(−30) ?

  1. -27
  2. -23
  3. -17
  4. -7

The correct answer is: -17


    g left parenthesis x right parenthesis equals fraction numerator 2 x over denominator 3 end fraction plus 3
    g left parenthesis negative 30 right parenthesis equals fraction numerator 2 left parenthesis negative 30 right parenthesis over denominator 3 end fraction plus 3
    equals fraction numerator negative 60 over denominator 3 end fraction plus 3
    = -20 + 3
    =  -17

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