Evaluate the integral.
A. 
tan2(ex) + ln(cos(ex)) + C
B. tan2(ex) + 
ln(cos(ex)) + C
C. 
tan2(ex) - ln(cos(ex)) + C
D. tan2(ex) - 
ln(cos(ex)) + C
Answer: A
Mathematics
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Solve the equation.2a = -14
A. 1 B. 16 C. -16 D. -7
Mathematics
The graph of a function f is given. Use the graph to answer the question.For what numbers x is f(x) = 0?
A. -15, 17.5, 25 B. -15, 17.5 C. -15 D. -25, -15, 17.5, 25
Mathematics
Find the first term and the common difference for the arithmetic sequence. Round approximations to the nearest hundredth.S8 = 40, a8 = 19
A. a1 = -142, d = 4.75 B. a1 = -9, d = 4 C. a1 = -142, d = 4 D. a1 = -9, d = 4.75
Mathematics
Perform the indicated operations and write the result in standard form.
A. -5 - i
B. -5 + i
C. -5 - i
D. 5 + i
Mathematics