Use your estimation skills to pick the most reasonable answer. Do not solve the problem.9 - 8.139
A. 0.0861
B. 0.861
C. 8.61
Answer: B
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = ex+y
A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines x + y = c B. Domain: all points in the xy-plane; range: real numbers z > 0; level curves: lines x + y = c C. Domain: all points in the first quadrant of the xy-plane; range: all real numbers; level curves: lines x + y = c D. Domain: all points in the first quadrant of the xy-plane; range: real numbers z > 0; level curves: lines x + y = c
Solve.A cut is to be made in a piece of metal as indicated by the dashed line in the figure. Find the length of the cut to the nearest tenth of an inch. 
A. 12.0" B. 10.6" C. 14.1" D. 10.0"
Solve the equation.Solve sin ? = 
for ?, where 0° ? ? ? 90°.
A. 30° B. 60° C. 45° D. 90°
Provide an appropriate response.1 plus the net decimal equivalent rate is equal to the single discount equivalent rate.
A. True B. False