Find all the roots of the function. Use preliminary analysis and graphing to determine good initial approximations. Round to six decimal places.f(x) = ex + 
A. x ? -2.372856
B. x ? -2.872856
C. x ? -2.372745
D. x ? -1.372856
Answer: A
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Write, as indicated, the converse, inverse, or contrapositive for the statement.If the sum of the interior angles of a geometric figure is 180 degrees, then the figure is a triangle. (contrapositive)
A. If a geometric figure is not a triangle, then the sum of the interior angles is 180 degrees. B. If the sum of the interior angles of a geometric figure is not 180 degrees, then the figure is not a triangle. C. If a geometric figure is a triangle, then the sum of the interior angles is 180 degrees. D. If a geometric figure is not a triangle, then the sum of the interior angles is not 180 degrees.
The scores on a 30-point multiple-choice exam are given in the following frequency table:
The 35th percentile on the exam is
A. 23. B. 24. C. 25. D. 9.8. E. none of these
Solve the equation on the interval [0, 2?).sec 
= cos 
A. 
, 
B. 
, 
, 
, 
, 
, 
, 
C. 0
D. 0, 
, ?, 
Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = -x2 - 18x - 83
A. Maximum: -2 B. Minimum: 2 C. Maximum: 2 D. Minimum: 0