Calculus Examples

$f (x) = 4 x - x^{2}$ , $(2, 5)$

Step 1

Substitute $2$ for $x$ and $5$ for $y$ in $y = 4 x - x^{2}$ .

$5 = 4 (2) - {(2)}^{2}$

Step 2

The given point does not make the equation true.

Invalid Point