Simplify the expression.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.Evaluate 
at t = 7 for the function w(x, y) = ey - ln x; x = t2, y = ln t.
A. 5
B. 
C. - 
D. 
Mathematics
Provide an appropriate response.If n is odd, under what condition is 
negative?
A. When a is positive B. Never C. When a is zero D. When a is negative
Mathematics
Tell whether the statement is true or false.Some real numbers are integers.
A. True B. False
Mathematics
Find the logarithm. Give an approximation to four decimal places.log(2.21 × 105)
A. 0.3444 B. 5.0000 C. 5.3444 D. -4.6556
Mathematics