Evaluate the expression.Let x = -9, y = 13. Evaluate |9y - 2x|.
A. 99
B. -135
C. 135
D. -99
Answer: C
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Find the equation for the level surface of the function through the given point.f(x, y, z) = 
, (7, 2, 4)
A. The level surfaces cannot be determined.
B. 
= 
C. 
= 
D. 
= 
Evaluate the integral.
x dx
A. x cos-1x - 
+ C
B. x cos-1x - 2
+ C
C. x cos-1x + 
+ C
D. x cos-1x - 
+ C
Solve the problem.A simple model of a harvested resource follows the equation 
where p(t) is the amount (or population) of the resource at time 
is the natural growth rate of the resource, and 
is the harvesting rate. If 
/> and 
for what values of H is the amount of the resource increasing? For what value of H is the amount of the resource constant?
A. H < 100; H < 100
B. H < 50; H = 50
C. H > 50; H = 50
D. H < 50; H > 50
Convert as indicated.276 cm to meters
A. 27.6 m B. 2.76 m C. 27,600 m D. 2760 m