Here,
(x+2)^1/2=3
raising power 2 on both sides,
x+2=9
therefore,
x=7
15 girls and 18 boys in the class
x=(3+y)
Building a =665 building b=815
The domain of the inside function exists, and then an analysis of the outside function may yield an extra restriction to the domain.
3a
C = 2πr = 2π(7) = 14<span>π or 14 x 3.14 = 43.96 ft
3b
</span>A = πr^2 = 49π or 49 x 3.14 = 153.86 ft^2
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3c
3.5 x 78.5 = $538.51
cost = $</span>538.51<span>
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