Solve the problem.A population of algae consists of 4000 algae at time t = 0. Conditions will support at most 300,000 algae. The rate of growth of algae is proportional both to the number present (in thousands) and to the difference between 300,000 and the number present (in thousands). Given that the constant of proportionality is 0.01, a differential equation is 
Approximate the number of algae present when t = 2, using h = 0.5.
A. about 125 thousand
B. about 141 thousand
C. about 128 thousand
D. about 133 thousand
Answer: C
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Use the following advice from most financial advisors to solve the problem. ? Spend no more than 28% of your gross monthly income for your mortgage payment. ? Spend no more than 36% of your gross monthly income for your total monthly debt.Round all calculations to the nearest dollar, if necessary.Suppose that your gross annual income is $60,000.(a) What is the maximum amount you should spend each month on a mortgage payment?(b) What is the maximum amount you should spend each month for total credit obligations?(c) If your monthly mortgage payment is 75% of the maximum amount you can afford, what is the maximum amount you should spend each month for all other debt?
A. (a) $1400; (b) $1800; (c) $1050 B. (a) $16,800; (b) $21,600; (c) $9000 C. (a) $1400; (b) $1800; (c) $750 D. (a) $1400; (b) $1800; (c) $50
Consider the set ? A = {distinct letters in the word tank} ? What is the cardinality of it?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The ocean surface is at 0 ft elevation. A diver is underwater at an elevation of -110 ft near a rock formation. In this area, the ocean floor has an elevation of -343 ft. The rock formation rises to a peak 203 above the ocean floor. How many feet above the top of the rock formation is the diver?
A. 233 ft B. 93 ft C. 140 ft D. 30 ft
Graph the function.f(x) = x(x + 3)(x - 3)(x + 2)
A. 
B. 
C. 
D. 