What is the domain of the following quadratic function?
f(x)=2x^2+5x-7
a. [-2,5]
b. (-infinity, ,5]
c. [-2, infinity)
d. (-infinity, infinity)

Im pretty sure it is D. The domain is all real numbers, so by plugging in any number of your choice, a point will be plotted.

)because it's going in order of the math sign

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