Solve.The total profit function P(x) for a company producing x thousand units is given by 
Find the values of x for which the company makes a profit. [Hint: The company makes a profit when 
A. x is greater than 5 thousand units
B. x is less than 5 thousand units or greater than 12 thousand units
C. x is less than 12 thousand units
D. x is between 5 thousand units and 12 thousand units
Answer: D
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Find the slope of the linear regression equation for the following table of values. x 1.47 3.17 4.3 6.99 y 6.97 12.14 15.45 23.87
What will be an ideal response?
Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with vertices (±6, 0) and foci at (±5, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the equation.
- 
= 
A. 
B. 
C. 
D. 
Solve the problem.Assume that a person's critical weight W, defined as the weight above which the risk of death rises dramatically, is given by W(h) = 
3, where W is in pounds and h is the person's height in inches. Find the tcritical weight for a person who is 6 ft 11 in. tall. Round to the nearest tenth.
A. 212.4 lb B. 377.4 lb C. 339.3 lb D. 221.5 lb