Calculus Examples

$lim_{x \to 4} \frac{{3.9}^{3} - 16 \cdot 3.9}{3.9} - 4$

Step 1

Evaluate the limit of $\frac{{3.9}^{3} - 16 \cdot 3.9}{3.9} - 4$ which is constant as $x$ approaches $4$ .

$\frac{{3.9}^{3} - 16 \cdot 3.9}{3.9} - 4$

Step 2

Simplify the answer.

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Step 2.1

Multiply $- 16$ by $3.9$ .

$\frac{{3.9}^{3} - 62.4}{3.9} - 4$

Step 2.2

Subtract $62.4$ from ${3.9}^{3}$ .

$\frac{- 3.081}{3.9} - 4$

Step 2.3

Divide $- 3.081$ by $3.9$ .

$- 0.79 - 4$

Step 2.4

Subtract $4$ from $- 0.79$ .

$- 4.79$