The total physical output P of workers is a function of the number of workers, x. The function is called the physical productivity function. Suppose that the physical productivity of x construction workers is given by , find the marginal physical productivity,

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A.
B.
C.
D.
E.

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Answer: E

Mathematics

Use implicit differentiation to find the specified derivative at the given point.Find  at the point (1, -1) for -6xy2 - 2x2y - 5x = 0.

A. - 
B.
C.
D. - 

Provide an appropriate response.What was the hottest temperature?

A. 74° B. 84° C. 93° D. Not enough information to answer the question.

If the number is negative, write it with a raised negative sign; if the number is positive, write it in two ways.Mary's stock lost $3100 in value last year.

A.
B.  or $3100
C. $3100
D.

Factor out the GCF from the polynomial.120x9y8 + 72x7y6 + 36x3y3

A. 12(10x9y8 + 6x7y6 + 3x3y3) B. 12x3y3(10x6y5 + 6x4y3 + 3) C. x3y3(120x6y5 + 72x4y3 + 36) D. 12x3(10x6y8 + 6x4y6 + 3y3)