Suppose that the oxygen level P (for purity) in a body of water t months after an oil spill is given by 
. Find how long it will be before the oxygen level reaches its minimum.
??
A. 
B. 
C. 
D. 
E. none of the above
Answer: B
Mathematics
You might also like to view...
The bar graph below shows the number of students by major in the College of Arts and Sciences. Answer the question.
What is the ratio of English and science majors to math and history majors?
A. 11 to 10 B. 10 to 11 C. 23 to 20 D. 3 to 4
Mathematics
Find the area of the triangle. Approximate values to the nearest tenth when appropriate.Legs with lengths 9 ft and 9 ft
A. 
ft2
B. 162 ft2
C. 18 ft
D. 81 ft2
Mathematics
Complete the table of values for the given equation.y = -5
A. 0; 0; 0 B. 0; 2; 4 C. 3; 3; 3 D. -5; -5; -5
Mathematics
Evaluate the expression.
A) x B) -1 C) -x D) 6 E) 1
Mathematics