Find the equation of the line described, and express your answer in the specified form.Perpendicular to the line x = -2; passes through the point (4, 3); standard form
A. y = 3
B. x = 3
C. x = 4
D. y = 4
Answer: A
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Find the derivative of y.y = sech (-3?) (1 - ln sech(-3?))
A. sech (-3?) tanh (-3?) ln sech (-3?) B. -3 sech (-3?) tanh (-3?) ln sech (-3?) C. -3 sech (-3?) tanh (-3?) ln (-3?) D. 1 + 3 sech (-3?) tanh (-3?) ln sech (-3?)
Evaluate the integral.
A. 
tan2x - 7 ln
+ C or 
tan2x + 7 ln
+ C
B. 
sec2x - ln
+ C or 
tan2x - ln
+ C
C. 5 sec2x + 7 ln
+ C or 5 tan2x + 7 ln
+ C
D. 
sec2x - 7 ln
+ C or 
tan2x - 7 ln
+ C
Solve the problem.The intelligence quotient in psychology is given by Q = 100 ? 
, where m is a person's mental age, and c is his or her chronological , or actual, age. Find Q for a person whose mental age is 24 and whose chronological age is 20. Round to the nearest whole number.
A. 100 B. 12 C. 120 D. 83
Round as indicated.9865 to the nearest ten
A. 9860 B. 9880 C. 9970 D. 9870