Solve the problem.Doctors predict that by administering a vaccine, the number of new cases of a certain childhood disease will decrease by half each year. If 1200 people were afflicted with the disease in 2000, estimate the number of new cases in 2005. (Round to the nearest whole number.)
A. 38 new cases in 2005
B. 19 new cases in 2005
C. 75 new cases in 2005
D. 150 new cases in 2005
Answer: A
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Write a chain rule formula for the following derivative.
for z = f(r, s); r = g(t), s = h(t)
A. 
= 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
+ 
Provide an appropriate response.State whether the following angle pairs are complementary, supplementary, or neither: 50°, 
Fill in the blank(s) with the appropriate word(s).
Find a rational function that satisfies the given conditions. Answers may vary, but try to give the simplest answer possible.Vertical asymptote x = 7, hole at x = -2, x-intercept (4, 0), and end behavior model q(x) = 2.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Write the expression in the standard form a + bi.(1 + i)20
A. 1024 B. -1024 C. 1024i D. -1024i