A community for students.
Here's the question you clicked on:
 0 viewing
kaylalynn
 2 years ago
Which of the following functions is not a sinusoid?
y = sin x
y= Sqrtx
y = cos x
None of the above are sinusoids.
kaylalynn
 2 years ago
Which of the following functions is not a sinusoid? y = sin x y= Sqrtx y = cos x None of the above are sinusoids.

This Question is Closed

ghazi
 2 years ago
Best ResponseYou've already chosen the best response.2definitely \[\sqrt x\] is not a sinusoid , it doesn't vary as a sine wave or a cosine wave

kaylalynn
 2 years ago
Best ResponseYou've already chosen the best response.1thats what i was thinkging thanks!!

kaylalynn
 2 years ago
Best ResponseYou've already chosen the best response.1btw does a sinusoid have to go below the x axis??

ghazi
 2 years ago
Best ResponseYou've already chosen the best response.2no, sinusoid wave are those which show a smooth repetitive variation or oscillation , like a sine wave or a cosine wave , it doesn't have to go below x axis, if you shift the origin up with respect to the original origin you wont have it below x axis, its just a general trend

ghazi
 2 years ago
Best ResponseYou've already chosen the best response.2dw:1369863941221:dw O new is the new origin

reemii
 2 years ago
Best ResponseYou've already chosen the best response.0I would say yes (it has to go below), since I take as definition that a sinusoid is a function of the form \(\lambda \sin(\alpha x + \phi)\), with \(\lambda, \alpha, \phi\in\mathbb R\). But you allow a vertical translation in your definition the answer is yes..

reemii
 2 years ago
Best ResponseYou've already chosen the best response.0you have to find in your definition in your course. (wikipedia says that the general form allows for a vertical shift). If your definition is the general definition, then there are two sinusoid curves on this picture.
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.