Let f(x)=15/(1+4e^(-0.2x)
over what interval is the growth rate of the function increasing?

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Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Pls yall i really need the answer fr fr