Completely factor the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Use series to evaluate the limit.
A. -9 B. -1 C. 9 D. 1
Mathematics
Solve the problem.Find the slope of the line tangent to the curve 
at the point where 
Round to the nearest hundredth.
A. -8.17 B. 2061.01 C. -6.02 D. -2.01
Mathematics
Find the curvature of the space curve.r(t) = ti + (sinh t)j + (cosh t)k
A. ? = sinh2 t
B. ? = cosh2 t
C. ? = 
D. ? = 
Mathematics
Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total cost function is given by 
and the total profit function is given by 
, where x represents the number of boxes of computer chips produced. The total revenue function, R(x), is such that 
. Find R(x).
A. R(x) = 49x - 0.3x2 B. R(x) = 46x - 0.6x2 C. R(x) = 47x + 0.3x2 D. R(x) = 47x - 0.3x2
Mathematics