Solve the equation for exact solutions.arcsin x + 2 arctan x = ?
A. 
B. 
C. 
D. 
Answer: A
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Find the potential function f for the field F.F = (y - z)i + (x + 2y - z)j - (x + y)k
A. f(x, y, z) = xy + y2 - xz - yz + C B. f(x, y, z) = x(y + y2) - xz - yz + C C. f(x, y, z) = xy + y2 - x - y + C D. f(x, y, z) = x + y2 - xz - yz + C
Use differentiation to determine whether the integral formula is correct.
dx = 
+ C
A. No B. Yes
Solve the problem.The cost of manufacturing clocks is given by C(x) = 72 + 62x - x2. Also, it is known that in t hours the number of clocks that can be produced is given by x = 9t, where 
Express C as a function of t.
A. C(t) = 72 + 558t - 81t B. C(t) = 72 + 62t + t2 C. C(t) = 72 + 558t - 81t2 D. C(t) = 72 + 62t - 9
How many local maxima and minima does the polynomial have?
?
?
A. 1 maximum and 2 minima B. 2 maxima and 1 minimum C. 1 maximum and 0 minima D. 0 maxima and 2 minima E. 1 maximum and 1 minimum