Simplify the radical expression. Indicate if the expression is not a real number.- 
A. Not a real number
B. 23
C. -23
D. -264
Answer: C
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Find the absolute extreme values of the function on the interval.f(x) = ln (-x), -6 ? x ? -1
A. absolute minimum value is 0 at x = -1; no maximum value B. absolute minimum value is 0 at x = -1; absolute maximum value is ln 6 at x = -6 C. absolute maximum value is 0 at x = -1; absolute minimum value is -ln 6 at x = -6 D. no minimum value; no maximum value
Solve the equation for the indicated variable. (Leave ± in your answer, when appropriate.)v2 = 2as for v
A. v = 2a
B. v = ± 
C. v = ± 
D. v = 
Perform the conversion. Round to the nearest tenth when necessary.81.5 ft/sec to mi/hr
A. 131.2 mi/hr B. 119.5 mi/hr C. 55.6 mi/hr D. 50.5 mi/hr
Perform the indicated operations and simplify.
+ 
A. 
B. 
C. 
D. 1