A roadside vegetable stand sells pumpkins for $5 each and tomatoes for $3 each. The
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Answer:
b = 4.6 ft
h = 2.3 ft
Step-by-step explanation:
The volume of the tank is given by:
Where 'b' is the length of the each side of the square base, and 'h' is the height of the tank.
The surface area can be written as:
The value of b for which the derivate of the expression above is zero is the value that yields the minimum surface area:
The value of h is then:
Rounded to the nearest tenth, the dimensions are b = 4.6 ft and h = 2.3 ft.
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⇒ ; sin(x) ≠ 0, cos(x) ≠ 0
⇒ ; sin(x) ≠ 0, cos(x) ≠ 0
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Use the Unit Circle to determine when
Answer: 45° and 315°