Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.(x + 3)(x - 4)(x - 7) > 0
A. (-?, 4)
B. (7, ?)
C. (-?, -3) ? (4, 7)
D. (-3, 4) ? (7, ?)
Answer: D
Mathematics
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Use logarithmic differentiation to find the derivative of y.y = x(x - 3)(x - 9)
A. x(x - 3)(x - 9)
B. x(x - 3)(x - 9)(lnx + ln(x - 3) + ln(x - 9))
C. 1
D. 
+ 
+ 
Mathematics
Use the distributive property to simplify.5(y + 4) + 3
A. 5y + 20 + 3 B. 5y + 7 C. 5y + 17 D. 5y + 23
Mathematics
Solve the equation.
= 
- 
A. {42}
B. {0}
C. 
D. {1}
Mathematics
Solve the problem.The net income y (in millions of dollars) of Pet Products Unlimited from 1997 to 1999 is given by the equation y = 9x2 + 15x + 52, where x represents the number of years after 1997. Assume this trend continues and predict the year in which Pet Products Unlimited's net income will be $598 million.
A. 2003 B. 2004 C. 2005 D. 2006
Mathematics