find the domain and range of f(x)= root x sq -25. Answer within a few mins
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Heya
f(x) = √x²-25
we take expressions under root positive to find the domain
so
x²-25 ≥0
x² ≥ 25
x ≥ ⁺₋ 25
so
x∈ (-∞, -25] ∪ [25 , ∞)
#cosmic
f(x) = √x²-25
we take expressions under root positive to find the domain
so
x²-25 ≥0
x² ≥ 25
x ≥ ⁺₋ 25
so
x∈ (-∞, -25] ∪ [25 , ∞)
#cosmic
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