Find dy for the given values of x and ?x.y = 
+ 3
; x = 4, ?x = 0.5
A. 0.35
B. 0.47
C. 0.37
D. 0.45
Answer: C
Mathematics
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Find the volume of the indicated region.the region bounded by the coordinate planes and the planes 
, 
A. 
B. 
C. 9
D. 
Mathematics
Determine the area of the triangle. If necessary, round the answer to two decimal places. 
A. 15.76 B. 0.69 C. 3.94 D. 4.85
Mathematics
Solve the equation.
+ x = 3
A. 
B. 11
C. 
D. 
Mathematics
Solve the problem.Given the cost function, C(x), and the revenue function, R(x), write the profit function from producing and selling x units of the product. C(x) = 0.4x + 450 R(x) = 0.9x
A. P(x) = 0.5x + 450 B. P(x) = -0.5x + 450 C. P(x) = 0.5x - 450 D. P(x) = -0.5x - 450
Mathematics