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Here are equations that define quadratic functions f, g, and h. Determine how many solutions each f(x)=0, g(x)=0, and h(x)=0.
f(x)=x²+4
g(x) = x (x+3)
h(x) = (x - 1)²
:: 1 solution
II
:: 2 solutions
:: no solutions

pls help