Mathematics, 03.02.2021 18:50 keigleyhannah30
Tamika finds an expression for S(r) that gives the surface area in square inches of a cylindrical can with a specific fixed volume in terms of its radius r in inches. Shown is the graph Tamika gets if she allows r to take on any value between -1 and 5.
Part A: What would be a more appropriate domain for Tamika to use instead?
Part B: What is the approximate minimum surface area for the can?
Part C: Consider the intervals shown.
I. 16 < y < 60
II. 0 < x < ∞
III. (1, ∞)
IV. (-60, 0)
V. (2, 3)
Which interval for the function S(r) represents an increase in the surface area?
A.
I and IV
B.
III and V
C.
I, II, and IV
D.
II, III, and V
Answers: 2
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