Solve for the indicated variable.T = T0ekt/300, for t
A. t = 
ln 
B. t = 
ln (T - T0)
C. t = 
ln 
D. t = 
Answer: C
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Identify the function's extreme values in the given domain, and say where they are assumed. Tell which of the extreme values, if any, are absolute.h(x) = x3 + 6x2 + 2x + 2, -? < x ? 0
A. local and absolute minimum: 1 at x = -1; B. local and absolute maximum: 2 at x = 0; C. local and absolute maximum: 2 at x = 0; local and absolute minimum: 1 at x = -1 D. no local extrema; no absolute extrema
Solve the problem. Round to the nearest whole unit.The top and base of a window are respectively 11 ft and 3 ft above the level of an observer's eyes. At what distance from the wall must the observer stand in order to make the angle subtended by the window equal to the angle of elevation of its base?
A. 6 ft B. 8 ft C. 10 ft D. 4 ft
The figure shows an angle ? in standard position with its terminal side intersecting the unit circle. Evaluate the indicated circular function value of ?.Find cot ?.
A. 
B. - 
C. - 
D. 
Write the phrase as a mathematical expression. Use x as the variable.One-third of a number added to the difference of the number and 7
A. 
x + (x - 7)
B. 
x + (7 - x)
C. 
D. 