Use a table of integrals to solve the problem.Find the area between y = (x - 3)ex and the y-axis from x = 3 to x = 7.
A. 3e7
B. e7 - e3
C. 3e7 + e3
D. e7 + e3
Answer: C
Mathematics
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Simplify the expression.ln e
A. 
e
B. 
C. 
D. 
e
Mathematics
Solve the problem.Find parametric equations for the normal line to the surface 
at the point 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The half-life of silicon-32 is 710 years. If 40 grams is present now, how much will be present in 800 years? (Round your answer to three decimal places.)
A. 0 B. 18.318 C. 0.016 D. 36.995
Mathematics
Multiply.(x + 9)(x - 9)
A. x2 - 18x - 81 B. x2 - 18 C. x2 - 81 D. x2 + 18x - 81
Mathematics