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Graphing Quadratic Equations

Consider the graph below. What equation is the best fit for the graph??


Consider the graph of f(x)=x2+1f\left(x\right)=x^2+1.What is the value of f(1)?f\left(-1\right)?


Consider the graph of f(x)=2x21f\left(x\right)=2x^2-1.What is the value of f(1)?f\left(-1\right)?


Consider the graph below. What is the graph’s vertex?


Consider the graph of f(x)=x2f\left(x\right)=x^2.What is the value of  f(2)?f\left(-2\right)?


Consider the graph of f(x)=2x21f\left(x\right)=2x^2-1. What is the value of f(0)?f\left(0\right)?


Consider the graph below. What equation is the best fit for the graph??


Consider the graph of f(x)=x2+1f\left(x\right)=x^2+1 . What is the value of f(0)?f\left(0\right)?


Consider the graph of  f(x)=x2+1f\left(x\right)=x^2+1. What is the value of f(1)?f\left(1\right)?


Consider the graph below. What is the graph’s vertex?