Find the derivative of the function.
?
?
A. 
B. 
C. 
D. 
Answer: B
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Evaluate the expression x - y for the given values of the variables.x = -4, y = 5
A. -9 B. 9 C. -1 D. 1
Solve.At Allied Electronics, production has begun on the X-15 Computer Chip. The total cost function is given by src="https://sciemce.com/media/4/ppg__fffile0518192055__f1q128g5.jpg" alt="" style="vertical-align: -4.0px;" />
A. R(x) = 39x - 0.6x2
B. R(x) = 40x - 0.3x2
C. R(x) = 40x + 0.3x2
D. R(x) = 42x - 0.3x2
and the total profit function is given by 
where x represents the number of boxes of computer chips produced. The total revenue function, 
is such that 
Find
Find the unknown number in the proportion. Write your answer as a whole number or a mixed number if possible.
= 
A. x = 
B. x = 
C. x = 
D. x = 
Solve the problem.An object is traveling around a circle with a radius of 20 meters. If in 10 seconds a central angle of 
radian is swept out, what is the linear speed of the object?
A. 
m/sec
B. 
m/sec
C. 
m/sec
D. 
m/sec