Find all the first order partial derivatives for the following function.f(x, y) = 
A. fx(x, y) = - 
; fy(x, y) = - 
B. fx(x, y) = 
; fy(x, y) = 
C. fx(x, y) = - 
; fy(x, y) = - 
D. fx(x, y) = - 
; fy(x, y) = - 
Answer: C
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Find the square root.
A. 12 B. 24 C. 13 D. 72
Suppose a certain economy's consumption function is src="https://sciemce.com/media/3/ppg__cognero__3.4_Marginal_Functions_in_Economics__media__c1c59a74-52f5-493a-9ffb-6364c640b9e0.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_66f2693535264edfb663e68af" />.
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Round the answer to two decimal places, if necessary.
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$__________ billion/billion dollars
Fill in the blank(s) with the appropriate word(s).
, where C(x) and x are measured in billions of dollars. Find the marginal propensity to consume (the rate of change of consumption with respect to income, 
) when
Find the sum of the arithmetic series using a formula.The first 48 terms of the series whose terms are an = 3n
A. S48 = 7056 B. S48 = 3513 C. S48 = 3585 D. S48 = 3528
Determine the standard equation of the ellipse described.Center at (0, 0); vertical major axis with length 18 units; length of minor axis is 10 units.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1