Let f(x)=2x2−1.
the quadratic function g(x) is f(x) translated left 2 units.
enter the equation of g(x) in the box.

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F(x)=2x^2 -1 
Translation is a function transformation that transform the function in a way of translating. By translating the function its graph is moved up an down. Moving the function f(x) 2 units to the left will be the new function g(x) with the equation: g(x)=f(x+2)=2(x+2)^2 -1

See the attached picture: