The graph of y=ax^2+bx+c is given below, where a, b, and c are integers. Find a-b+c.
+14913 Find a - b + c .
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\(f(x)=0.65\cdot (x-3)^2+1\\ f(x)=0.65\cdot (x^2-6x+9)+1=0.65x^2-3.9x+5.85+1\\ \color{blue}f(x)=0.65x^2-3.9x+6.85 \)
a b c
\(a - b + c =0.65-(-3.9)+6.85\)
\(a - b + c =11.4\)
I tried the factor 0.65. Does anyone know how to calculate that?
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