A service station sells gasoline for $3.25 per gallon and diesel fuel for $3.00 per gallon. On Monday, the service station's revenue from selling a total of 131 gallons of gasoline and diesel fuel was $404.25. How many gallons of diesel fuel did the service station sell on Monday? A) 35 B) 55 C) 76 D) 86

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step-by-step explanation:

the orientation of the parabolas can easily be found by analysing the power of x and y and their signs. if x is squared , parabola opens up and also if its coefficient is negative it opens down. if y is squared , the parabola opens right and also if its coefficient is negative it opens left. however in order to do the above analysis our equation must be in standard form .

our parabola is

which is not standard form of any parabola . hence we square on both hand side and convert it into standard form.

hence we see that x is squared and its coefficient is non negative . there for it opens up.

the balance is found at the link

step-by-step explanation:

equal to

step-by-step explanation:

a.)the line for function b is steeper