Solve the equation. If the equation is an identity or a contradiction, state this.-3(x + 2) - 24 = 3x - 6(x + 7)
A. identity, 
B. x = 6
C. contradiction, ?
D. x = -1
Answer: C
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Find dy/dx by implicit differentiation. If applicable, express the result in terms of x and y.5y4 - y = 1 - x3
A. - 
B. 
C. 
D. 
Solve the problem.Find the cost function if the marginal cost function is C'(x) = 4x - 6 and the fixed cost is $11.
A. C(x) = 4x2 - 6x + 10 B. C(x) = 2x2 - 6x + 11 C. C(x) = 4x2 - 6x + 11 D. C(x) = 2x2 - 6x + 10
Find the slope of the line that passes through the given points.(8, 3) and (-5, 3)
A. undefined
B. 0
C. 2
D. 
Let u represent src="https://sciemce.com/media/4/ppg__tttt0515191515__f1q13g7.jpg" style="vertical-align: -17.0px;" />
, v represent 
, and w represent 
. Solve first for u, v, and w. Then solve the system of equations.
+ 
+ 
= 
- 
+ 
= 
+ 
+ 
= 
A. 
B. (-1, -3, 1)
C. (1, 3, 1)
D. (1, 3, -1)