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

#### Top Answer

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