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OpenStudy (anonymous):
A rectangle has area 49 m2. (a) Express the perimeter of the rectangle as a function of the length (L) of one of its sides.
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OpenStudy (anonymous):
(b) State its domain.
OpenStudy (anonymous):
i got 2x + 32/x , but don't know if its right nor how to find the domain
OpenStudy (anonymous):
A=L*W=49 P=2(L+W)
OpenStudy (anonymous):
W=49/L P=2(L+49/L)
OpenStudy (anonymous):
do you know how to find the domain
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OpenStudy (anonymous):
domain is the set of those values of variable for which the function is always defined
OpenStudy (anonymous):
so how would it be for this equation
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