Algebraic Expressions and Operations Quiz
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Questions and Answers

Which one of these is the correct expression for $(f-g)(x)$?

  • $-2x^2+3-7$ (correct)
  • $-2x^2+3+(-7)$
  • $-2x^2+3 imes(-7)$
  • $-2x^2+3 imes(-7)+x$
  • Which one of these is the correct expression for $(f+g)(x)$?

  • $-2x^2+3-7$
  • $-2x^2+3+(-7)$ (correct)
  • $-2x^2+3 imes(-7)$
  • $-2x^2+3 imes(-7)+x$
  • What is the value of $(f+g)(2)$?

  • $-2(2)^2+3-(-7)$
  • $-2(2)^2+3+(-7)$ (correct)
  • $-2(2)^2+3 imes(-7)$
  • $-2(2)^2+3 imes(-7)+2$
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