What is the domain of |z-7|-|z-9|,z<7 ?

The domain of |z-7|-|z-9|,z<7 is z<7

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domain of |z-7|-|z-9|,z<7

domain

∣ z - 7 ∣ - ∣ z - 9 ∣, z < 7

z < 7

Interval Notation

(- \infty, 7)

Solution steps

Set the domain to the given interval

z < 7

The function has no undefined points nor domain constraints. Therefore, the domain is

z < 7

f (m) = 3 m^{3}

r, r = \frac{1}{θ}

f (x) = 4.5 x - 2.25 x^{2} + 0.75

f (x) = \frac{x ^{3}}{2 ( x + 1 ) ^{2}}

f (x) = \frac{x ^{2} - 3}{x}