Provide an appropriate response.Use an integral table to find 
.
A. 9x ln x - 9x + C
B. 
+ C
C. x7 
+ C
D. 9x7 
+ C
Answer: D
Mathematics
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Solve the problem.In 1880 the population of a midwest city was 19,000. By 1920 it had grown to 20,000. If it continues to grow at the same rate, what will the population be in 1939? Give your answer to the nearest whole number.
A. 20,475 B. 19,476 C. 21,000 D. 20,000
Mathematics
Find tan A in the right triangle below 
.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Match the function with its graph.1) y = -csc x2) y = -sec x3) y = -tan x4) y = -cot xA) B)
C) D)
A. 1C, 2A, 3B, 4D B. 1B, 2D, 3C, 4A C. 1A, 2D, 3C, 4B D. 1A, 2B, 3C, 4D
Mathematics
Use a double-angle identity to find the exact value of the expression.1 - 2 sin2 67.5°
A. 
B. - 
C. - 
D. 
Mathematics