The real numbers a and b are such that the discriminant of the quadratic [f(x) = ax^2 - bx - 16]is less than or equal to 0. find the largest possible value of 4a - b.

The answer is 4.

Explanation:

When we put 4 instead of x, the equation will be:

Find the largest possible value of 4a - b is 4

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-the future of geothermal energy can pretty much be summed up with a single word: more

-scientists plan in going deeper than 120 meters

-we are hoping that one day, we will get all of our energy from renewable energy sources such as geothermal energy

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