Use the given values of the variables to find the value of the expression.-2x + 5y - 6a for x = -2, y = 1, a = -1
A. -6
B. -7
C. 5
D. 15
Answer: D
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In a city of 7.00 thousand, there are initially 0.13 thousand flu cases. In the absence of limiting factors, the cumulative number flu cases is expected to grow by 21% per week. ? A: Make a logistic model of the cumulative number F, in thousands, of flu cases after t weeks. ? B: Plot the graph of the model you found in part A over the first 35 weeks. ? C: At what cumulative number of flu cases will the disease be spreading at the fastest rate? Round your answer to two decimal places, if necessary. ? D: When will the cumulative number of flu cases reach the level you found in part C? Round your answer to the nearest whole number. ? ?
What will be an ideal response?
Write the sum or difference as a product containing only sines and/or cosines.cos(6?) + cos(4?)
A. 2 cos(5?) sin ? B. 2 cos(5?) cos ? C. 2 cos(5?) D. 2 sin(5?) sin ?
Express the statement as an equation involving the indicated variables.The area A of a rectangle is the product of its length l and its width w.
A. A = lw
B. A = 2(l + w)
C. A = l + w
D. A = 
Find the nth, or general, term.1, 
, 
, . . .
A. 1 - 
n
B. 
C. 
D. 