A rational number because any number between two integers is a fraction.
Answer:
there is no why to add this
Step-by-step explanation:
I say it's "You pay fewer up-front costs".
<span>f(x) = ax2+bx+c, is quadratic equation
</span><span>function opening downward if the a<0,
</span><span>kf(x) = -x², a= -1<0
so the answer is </span><span>B.kf(x) </span><span>
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