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
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
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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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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