What is the domain of f(x)=(14^x-7^x-2^x+1)/(x^2) ?

The domain of f(x)=(14^x-7^x-2^x+1)/(x^2) is x 0

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domain of f(x)=(14^x-7^x-2^x+1)/(x^2)

domain

f (x) = \frac{1 4 ^{x} - 7 ^{x} - 2 ^{x} + 1}{x ^{2}}

x < 0 or x > 0

Interval Notation

(- \infty, 0) \cup (0, \infty)

Solution steps

Find undefined (singularity) points:

x = 0

The function domain

x < 0 or x > 0

f (x) = x^{3} + 2 x^{2} + 3 x + 4

f (x) = x^{3} + 2 x^{2} + 3 x + 5

y = 3 (x + 4)^{2} - 3

f (x) = \frac{sin ^{2} ( x )}{x ^{4}}

g (a) = \frac{a}{2}

What is the domain of f(x)=(14^x-7^x-2^x+1)/(x^2) ?
The domain of f(x)=(14^x-7^x-2^x+1)/(x^2) is x<0\lor x>0