Evaluate the function. f(x) = 2x2 Find f(-3)
2 answers:
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Let sides of triangle be a,b,c in cm.
Then perimeter=a+b+c = 45 ... i
a= 2b... ii
... iii
Let us substitute a=2bin i.We get 3b+c = 45
Or c = 45-3b :
(45-3b) =
a= 14 and c = 24
But since a+b <c, this cannot form a triangle.
Hence no solution.
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h(0) = initial height = 144 ft.
b) When h = 80,
we have
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