- A quadratic function is given. (a) Express the quadratic function in standard form. (b) Find its vertex and its \( x \) - and \( v \)-intercept(s). (c) Sketch its graph. \[ f(x)=x^{2}+4 x+3 \]
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In this case, \( a = 1 \), \( b = 4 \), and \( c = 3 \). So the standard form of the quadratic function is \( f(x) = x^2 + 4x + 3 \). (b) Show more…
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