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The graph of a function of the form ​f(x)=ax^2 + bx + c for different values...

The graph of a function of the form

​f(x)=ax^2 + bx + c

for different values of​ a, b, and c is given. For the​ function, find the following.

​(a) Determine if the discriminant is​ positive, negative, or zero.

​(b) Determine if there are​ 0, 1, or 2 real solutions to

​f(x)=0.

​(c) Solve the equation

​f(x)=0.

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