What is the limit as x approaches 4 of (3x-9)^4 ?

The limit as x approaches 4 of (3x-9)^4 is 81

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limit as x approaches 4 of (3x-9)^4

x \to 4 lim ((3 x - 9)^{4})

81

Solution steps

x \to 4 lim ((3 x - 9)^{4})

Plug in the value

x = 4

= (3 \cdot 4 - 9)^{4}

Simplify

= 81

y = x + 7

\frac{d y}{d x} = (1 + 4 y^{2}) (1 + 3 x^{2})

x \to 0 lim (\frac{sin ( 7 x )}{sin ( 9 x )})

\int 1 - tan^{2} (x) d x

(x^{3} + 4) e^{x}

What is the limit as x approaches 4 of (3x-9)^4 ?
The limit as x approaches 4 of (3x-9)^4 is 81