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myininaya (myininaya):
which of the following function is a happy function always? A. y=e^x B. y=lnx
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OpenStudy (anonymous):
e^y = x e^x = y
OpenStudy (anonymous):
What's a happy function?!
myininaya (myininaya):
a function that is always positive lol
OpenStudy (anonymous):
Oh :o.. I never heard of that before. If so, then A is always happy.
myininaya (myininaya):
lol anwar its not really a math term i'm just bored
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OpenStudy (anonymous):
Lol
OpenStudy (anonymous):
happy function, i will be willing to bet, means concave up
OpenStudy (anonymous):
so answer would be \[y=e^x\]
OpenStudy (anonymous):
what on earth?
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