Determine the integral by making an appropriate substitution.
dx
A. 7 sin7 x + C
B. - 
cos8 x + C
C. 
sin8 x + C
D. -7 cos7 x + C
Answer: B
Mathematics
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A. -4
B. not a real number
C. 
D. -256
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Provide an appropriate response.A share of stock represents 
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A. dividends B. ownership C. debt D. earnings
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Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
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