well, rational = fractional, namely something you can write as a fraction, well, anything between -1 and -2 is just less than -1 so

Fill in the point values in the formula for the derivative.
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<u>Example</u>
y = x^2 + 3x . . . . . we want y' at (x, y) = (1, 4)
y' = 2x +3 . . . . . . . take the derivative dy/dx of the function
Fill in the value x=1 ...
y' = 2·1 +3 = 5
The value of the derivative at (x, y) = (1, 4) is 5.
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Volume: h • pi r^2
Volume: (7.5) • pi (2)^2
Volume: 94.247796
Just round to your teacher’s liking