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larassialynn larassialynn
  • 28-05-2015
  • Mathematics
Answered

  1. h(x) = x2 + 3x – 1 Evaluate h(-3)


  2. f(x) = x3 +5x Evaluate f(9)



  3. f(x) = -4x - 3 Evaluate f(-10)



  4. f(x) = x3 + 7x2 + 1 Evaluate f(0)

Verified Answer :

AL2006
AL2006 AL2006
  • 29-05-2015


3).  h(x) = x²  +  3x  -  1

     h(-3) = (-3)² + 3(-3) - 1  =  9 - 9 - 1


4).  f(x) = x³  +  5x

     f(9) = (9)³ + 5(9)  =  729 + 45


5). f(x) = -4x  -  3

     f(-10) = -4(-10) - 3  =  40 - 3


6).  f(x) = x³  +  7 x²  +  1

     f(0) =  (0)³ + 7 (0)² + 1  =  1


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