Solve with calculator.The formula 
models the number of calories per day, C, a person needs to maintain life in terms of the person's weight, x, in kilograms. How many calories does a person who weighs 45 kilograms (approximately 99 pounds ) need to maintain life? Round to the nearest whole number.
A. 2113 calories
B. 1216 calories
C. 2386 calories
D. 4205 calories
Answer: B
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Sketch a graph of a function f that has the given properties.(a) Defined for all real numbers(b) Increasing for -3 < x < 3(c) Decreasing for -? < x < -3 and 3 < x < ?(d) Concave downward for 0 < x < ?(e) Concave upward for -? < x < 0(f) f'(-3) = f'(3) = 0(g) Inflection point at (0, 0)
What will be an ideal response?
Find the domain and graph the function.G(t) = 
A. D: (-?, -1) ? (-1, ?)
B. D: (-?, -1) ? (-1, ?)
C. D: (-?, ?)
D. D: (-?, 0) ? (0, ?)
15. The Guess and Test problem-solving strategy can be useful when
(a) there are only a few possible solutions to a problem. (b) the problem suggests an equation. (c) you are trying to develop a formula. (d) you need to find the measures of the angles in a triangle. (e) there is an unknown quantity related to known quantities
Use mathematical induction to prove the following.6 + 12 + 18 + . . . + 6n = 3n(n + 1)
What will be an ideal response?