Find the rate, or speed, as a ratio of distance to time. Round to the nearest hundredth when necessary.300 m, 25 sec
A. 25 m/sec
B. 12 m/sec
C. 37 m/sec
D. 300 m/sec
Answer: B
Mathematics
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Find fx, fy, and fz.f(x, y, z) = ln (xy)z
A. fx = - 
; fy = - 
; fz = ln (xy)
B. fx = 
; fy = 
; fz = z ln (xy)z - 1
C. fx = 
; fy = 
; fz = ln (xy)
D. fx = z ln 
; fy = z ln 
; fz = ln (xy)
Mathematics
Evaluate the derivative of the given function at the given point.x2 + y2 = 25; (-4, 3)
A. - 
B. 
C. 
D. - 
Mathematics
Solve the problem.The average cost per unit, y, of producing x units of a product is modeled by
Describe the company's production level so that the average cost of producing each unit does not exceed 
.
A. At least 300,000 units B. At least 200,000 units C. Not more than 200,000 units D. Not more than 300,000 units
Mathematics
Divide using long division.
A. 4m2 - 7m + 2 B. m2 + 8m + 9 C. m2 + 7m + 4 D. 4m2 + 7m + 2
Mathematics