Solve the problem.Find an equation for the level surface of the function f(x, y, z) = x + ey+z that passes through the point 
.
A. x + ey+z = 14
B. x + ey+z = 31
C. x + ey+z = 28
D. ln(x) + y + z = 31
Answer: B
Mathematics
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Graph the function.f(x) = ln(x + 1.5)
A. 
B. 
C. 
D. 
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Find the surface area of the circular solid. Unless otherwise specified, use 3.14 for ? and round your answer to the nearest tenth.A sphere with r = 3 cm
A. 28.3 cm2 B. 37.7 cm2 C. 113.2 cm2 D. 113.0 cm2
Mathematics
Solve the problem.Martha can rake the leaves in her yard in 7 hours. Her brother can do the job in 4 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Mathematics
Graph the function.f(x) = 2
A. 
B. 
C. 
D. 
Mathematics