Evaluate the algebraic expression.6x + 9y
when x = 8 and y = 9
A. 126
B. 120
C. 129
D. 135
Answer: C
Mathematics
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Find the derivative of y with respect to the independent variable.y = 10x
A. 10x ln 10 B. x ln 10 C. 10x ln x D. 10x
Mathematics
Subtract. Simplify, if possible.
- 
A. 
B. 
C. 
D. 
Mathematics
Divide.(-4x3 + 3x2 + 
x) ÷ (20x2 + 5x + 1)
A. - 
x + 
+ 
B. - 
x + 
+ 
C. - 
x + 
+ 
D. - 
x - 
+ 
Mathematics
If the supply function for x units of a commodity is 
dollars, what is the producer's surplus at 
? Round your answer to the nearest dollar.
? A. $8,229 B. $1,969 C. $3,741 D. $1,559 E. $2,730
Mathematics