Calculus Examples

$lim_{x \to 8} \frac{3 + 5 e^{x}}{\frac{3 x + 5 e^{x}}{\frac{7 + 6 e^{2 x}}{7 x + 3 e^{2 x}}}}$

Step 1

Split the limit using the Limits Quotient Rule on the limit as $x$ approaches $8$ .

$\frac{lim_{x \to 8} 3 + 5 e^{x}}{lim_{x \to 8} \frac{3 x + 5 e^{x}}{\frac{7 + 6 e^{2 x}}{7 x + 3 e^{2 x}}}}$

Step 2

Split the limit using the Sum of Limits Rule on the limit as $x$ approaches $8$ .

$\frac{lim_{x \to 8} 3 + lim_{x \to 8} 5 e^{x}}{lim_{x \to 8} \frac{3 x + 5 e^{x}}{\frac{7 + 6 e^{2 x}}{7 x + 3 e^{2 x}}}}$

Step 3

Evaluate the limit of $3$ which is constant as $x$ approaches $8$ .

$\frac{3 + lim_{x \to 8} 5 e^{x}}{lim_{x \to 8} \frac{3 x + 5 e^{x}}{\frac{7 + 6 e^{2 x}}{7 x + 3 e^{2 x}}}}$

Step 4

Move the term $5$ outside of the limit because it is constant with respect to $x$ .

$\frac{3 + 5 lim_{x \to 8} e^{x}}{lim_{x \to 8} \frac{3 x + 5 e^{x}}{\frac{7 + 6 e^{2 x}}{7 x + 3 e^{2 x}}}}$

Step 5

Move the limit into the exponent.

$\frac{3 + 5 e^{lim_{x \to 8} x}}{lim_{x \to 8} \frac{3 x + 5 e^{x}}{\frac{7 + 6 e^{2 x}}{7 x + 3 e^{2 x}}}}$

Step 6

Split the limit using the Limits Quotient Rule on the limit as $x$ approaches $8$ .

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{lim_{x \to 8} 3 x + 5 e^{x}}{lim_{x \to 8} \frac{7 + 6 e^{2 x}}{7 x + 3 e^{2 x}}}}$

Step 7

Split the limit using the Sum of Limits Rule on the limit as $x$ approaches $8$ .

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{lim_{x \to 8} 3 x + lim_{x \to 8} 5 e^{x}}{lim_{x \to 8} \frac{7 + 6 e^{2 x}}{7 x + 3 e^{2 x}}}}$

Step 8

Move the term $3$ outside of the limit because it is constant with respect to $x$ .

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + lim_{x \to 8} 5 e^{x}}{lim_{x \to 8} \frac{7 + 6 e^{2 x}}{7 x + 3 e^{2 x}}}}$

Step 9

Move the term $5$ outside of the limit because it is constant with respect to $x$ .

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + 5 lim_{x \to 8} e^{x}}{lim_{x \to 8} \frac{7 + 6 e^{2 x}}{7 x + 3 e^{2 x}}}}$

Step 10

Move the limit into the exponent.

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + 5 e^{lim_{x \to 8} x}}{lim_{x \to 8} \frac{7 + 6 e^{2 x}}{7 x + 3 e^{2 x}}}}$

Step 11

Split the limit using the Limits Quotient Rule on the limit as $x$ approaches $8$ .

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + 5 e^{lim_{x \to 8} x}}{\frac{lim_{x \to 8} 7 + 6 e^{2 x}}{lim_{x \to 8} 7 x + 3 e^{2 x}}}}$

Step 12

Split the limit using the Sum of Limits Rule on the limit as $x$ approaches $8$ .

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + 5 e^{lim_{x \to 8} x}}{\frac{lim_{x \to 8} 7 + lim_{x \to 8} 6 e^{2 x}}{lim_{x \to 8} 7 x + 3 e^{2 x}}}}$

Step 13

Evaluate the limit of $7$ which is constant as $x$ approaches $8$ .

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + 5 e^{lim_{x \to 8} x}}{\frac{7 + lim_{x \to 8} 6 e^{2 x}}{lim_{x \to 8} 7 x + 3 e^{2 x}}}}$

Step 14

Move the term $6$ outside of the limit because it is constant with respect to $x$ .

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + 5 e^{lim_{x \to 8} x}}{\frac{7 + 6 lim_{x \to 8} e^{2 x}}{lim_{x \to 8} 7 x + 3 e^{2 x}}}}$

Step 15

Move the limit into the exponent.

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + 5 e^{lim_{x \to 8} x}}{\frac{7 + 6 e^{lim_{x \to 8} 2 x}}{lim_{x \to 8} 7 x + 3 e^{2 x}}}}$

Step 16

Move the term $2$ outside of the limit because it is constant with respect to $x$ .

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + 5 e^{lim_{x \to 8} x}}{\frac{7 + 6 e^{2 lim_{x \to 8} x}}{lim_{x \to 8} 7 x + 3 e^{2 x}}}}$

Step 17

Split the limit using the Sum of Limits Rule on the limit as $x$ approaches $8$ .

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + 5 e^{lim_{x \to 8} x}}{\frac{7 + 6 e^{2 lim_{x \to 8} x}}{lim_{x \to 8} 7 x + lim_{x \to 8} 3 e^{2 x}}}}$

Step 18

Move the term $7$ outside of the limit because it is constant with respect to $x$ .

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + 5 e^{lim_{x \to 8} x}}{\frac{7 + 6 e^{2 lim_{x \to 8} x}}{7 lim_{x \to 8} x + lim_{x \to 8} 3 e^{2 x}}}}$

Step 19

Move the term $3$ outside of the limit because it is constant with respect to $x$ .

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + 5 e^{lim_{x \to 8} x}}{\frac{7 + 6 e^{2 lim_{x \to 8} x}}{7 lim_{x \to 8} x + 3 lim_{x \to 8} e^{2 x}}}}$

Step 20

Move the limit into the exponent.

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + 5 e^{lim_{x \to 8} x}}{\frac{7 + 6 e^{2 lim_{x \to 8} x}}{7 lim_{x \to 8} x + 3 e^{lim_{x \to 8} 2 x}}}}$

Step 21

Move the term $2$ outside of the limit because it is constant with respect to $x$ .

$\frac{3 + 5 e^{lim_{x \to 8} x}}{\frac{3 lim_{x \to 8} x + 5 e^{lim_{x \to 8} x}}{\frac{7 + 6 e^{2 lim_{x \to 8} x}}{7 lim_{x \to 8} x + 3 e^{2 lim_{x \to 8} x}}}}$

Step 22

Evaluate the limits by plugging in $8$ for all occurrences of $x$ .

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Step 22.1