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Which function has a domain consisting of real numbers? O a) ♬(x)=x²-25 Ob) √(x) = ² + 25 O c) f(x)=x+25 O d) Rx)-x-25

Which function has a domain consisting of real numbers? O a) ♬(x)=x²-25 Ob) √(x) = ² + 25 O c) f(x)=x+25 O d) Rx)-x-25

Advanced Engineering Mathematics
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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Which function has a domain consisting of real numbers? 1 O a) f(x) = -25 Ob) f(x) = 2² +25 1 c) f(x) = x + 25 - O 1 O d) f(x)-x-25
Transcribed Image Text:Which function has a domain consisting of real numbers? 1 O a) f(x) = -25 Ob) f(x) = 2² +25 1 c) f(x) = x + 25 - O 1 O d) f(x)-x-25
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