Posted by Josh on Monday, July 11, 2011 at 9:40pm.
Given m(x)=7/5x2+92 what is the domain of m in set notation form?

Calculus  Reiny, Monday, July 11, 2011 at 9:57pm
I bet you meant ....
m(x) = (7/5)x^2 + 9x  2
= (7/5)[x^2 + (45/7)x ]  2
= (7/5)[x^2 + (45/7)x +2025/196  2025/196 ]  2
= (7/5)[(x + 45/14)^2  2025/196 ]  2
= (7/5)(x+45/14)^2  405/28  56/28
= (7/5)(x+45/14)^2  349/28

ARGGHHH Calculus  Reiny, Monday, July 11, 2011 at 10:01pm
I did not answer your question.
I read your other post first and assumed this one was the same type.
for this one the way you typed it,
the domain is
{x  x ∈ R}
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