7. Find the domains of the following functions. Express your answers in interval notation x²+9 x²_9 f(x): = • f(x) = • f(x) = √x+10 6x²-13x+5 X √x²+4x-21

Advanced Engineering Mathematics
10th Edition
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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7. Find the domains of the following functions. Express your answers in interval notation
x²+9
f(x): x²_9
•
•
f(x) =
f(x) =
√x+10
6x²-13x+5
x
√x²+4x-21
Transcribed Image Text:7. Find the domains of the following functions. Express your answers in interval notation x²+9 f(x): x²_9 • • f(x) = f(x) = √x+10 6x²-13x+5 x √x²+4x-21
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