What is the derivative of f(x) = 9x^2 + x?

f'(x) = 18x + 1

Step-by-step explanation:

f(x) = 9x^2 +x

f'(x) = 9(2x) + 1

f'(x) = 18x + 1

the battle of gettysburg is considered the "high water mark" of the confederacy because it marked the greatest advance of the confederate forces against the union.

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plz mark brainliest