Calculus Examples

$lim_{x \to 7} 9 (6.99) \sqrt{49 - {6.99}^{2}}$

Step 1

Evaluate the limit of $9 (6.99) \sqrt{49 - {6.99}^{2}}$ which is constant as $x$ approaches $7$ .

$9 (6.99) \sqrt{49 - {6.99}^{2}}$

Step 2

Simplify the answer.

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Step 2.1

Multiply $9$ by $6.99$ .

$62.91 \sqrt{49 - {6.99}^{2}}$

Step 2.2

Raise $6.99$ to the power of $2$ .

$62.91 \sqrt{49 - 1 \cdot 48.8601}$

Step 2.3

Multiply $- 1$ by $48.8601$ .

$62.91 \sqrt{49 - 48.8601}$

Step 2.4

Subtract $48.8601$ from $49$ .

$62.91 \sqrt{0.1399}$

Step 2.5

Multiply $62.91$ by $\sqrt{0.1399}$ .

$23.53035841$