What is the limit as x approaches 4+of (x-1)/(4-x) ?

The limit as x approaches 4+of (x-1)/(4-x) is -infinity

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limit as x approaches 4+of (x-1)/(4-x)

x \to 4 + lim (\frac{x - 1}{4 - x})

- \infty

Solution steps

x \to 4 + lim (\frac{x - 1}{4 - x})

\frac{x - 1}{4 - x} = (x - 1) \frac{1}{4 - x}

= x \to 4 + lim ((x - 1) \frac{1}{4 - x})

x \to a lim [f (x) \cdot g (x)] = x \to a lim f (x) \cdot x \to a lim g (x)

With the exception of indeterminate form

= x \to 4 + lim (x - 1) \cdot x \to 4 + lim (\frac{1}{4 - x})

x \to 4 + lim (x - 1) = 3

x \to 4 + lim (\frac{1}{4 - x}) = - \infty

= 3 (- \infty)

Apply Infinity Property:

c \cdot (- \infty) = - \infty

= - \infty

x \to \infty lim (\frac{x ^{3} + x}{3 - x})

x \to π lim (tan (\frac{5 x}{6}))

x \to 6 lim (x - 1)

x \to 3 lim (\frac{( e ^{2 x} - e ^{6} )}{x - 3})

x \to \infty lim (\frac{x ^{2} + 2}{x - 1} - x)

What is the limit as x approaches 4+of (x-1)/(4-x) ?
The limit as x approaches 4+of (x-1)/(4-x) is -infinity