Calculus Examples

$f (x) = - 4 e^{5 x - 2 y}$ , $(2, - 1)$

Step 1

Replace the variable $x$ with $2$ in the expression.

$f (2) = - 4 e^{5 (2) - 2 y}$

Step 2

Simplify $- 4 e^{5 (2) - 2 y}$ .

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Step 2.1

Remove parentheses.

$- 4 e^{5 (2) - 2 y}$

Step 2.2

Multiply $5$ by $2$ .

$- 4 e^{10 - 2 y}$

Step 3

Since the computed $y$ -value is not the same as the $y$ -value given, the point given is invalid.

Invalid Point