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how do you figure this out by looking at the graph??

questions.PNGhow do you figure this out by looking at the graph??


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we see ymax = 2 and ymin = -4; hence, 2 = a+c -4=-a+c or, 2-4 = 2c or, c = -2/2 = -1 and... View the full answer

  • why is a negative? and how do you know that 2= a+c ??
    • SargentJellyfish3050
    • Apr 24, 2018 at 5:28am
  • maximum value occurs when sin(x+b) = 1 and minimum value occurs at sin(x+b)=-1. I have used these values to write two equations for maximum and minimum values of y.
    • ashok592000
    • Apr 24, 2018 at 5:46am

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