What is the limit as x approaches-7 of (x^2-9)/(7-x) ?

The limit as x approaches-7 of (x^2-9)/(7-x) is 20/7

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

limit as x approaches-7 of (x^2-9)/(7-x)

x \to - 7 lim (\frac{x ^{2} - 9}{7 - x})

\frac{20}{7}

Decimal Notation

2.85714 \dots

Solution steps

x \to - 7 lim (\frac{x ^{2} - 9}{7 - x})

Plug in the value

x = - 7

= \frac{( - 7 ) ^{2} - 9}{7 - ( - 7 )}

Simplify

\frac{( - 7 ) ^{2} - 9}{7 - ( - 7 )} : \frac{20}{7}

= \frac{20}{7}

\int \frac{1}{x 4 x ^{2} - 1} d x

x \to 1 + lim (arctan (ln (x - 1)))

n = 1 \sum \infty \frac{12}{- 5 ^{n}}

w e^{7 w}

f (x) = x^{- 15}

What is the limit as x approaches-7 of (x^2-9)/(7-x) ?
The limit as x approaches-7 of (x^2-9)/(7-x) is 20/7