Solve the inequality. Describe the solution set using inequality notation.-12x - 14 ? -2(5x + 14)
A. x ? 14
B. x ? 7
C. x ? 7
D. x ? 14
Answer: C
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Evaluate the expression for the given value of x. ? -2x3, x = 3 ?
A. 18 B. -54 C. -6 D. 54 E. -18
Find the center of mass of a thin plate of constant density covering the given region.The region between the x-axis and the curve y = 4csc2 x, 
? x ? 
A. 
= 
, 
= 6
B. 
= 
, 
= 4
C. 
= 
, 
= 
D. 
= 
, 
= 
Solve the problem.Consider a retirement savings account where the monthly contribution is $125 for the first 10 years, is increased to $225 for the next 10 years, and then is increased once again to $400 for the last 15 years. The APR is always 6.6% compounded monthly. What is the value of the account at the end of 35 years? Round your answer to the nearest cent.
A. $331,896.77 B. $293,477.39 C. $334,435.86 D. $337,712.53 E. $328,620.10
The graph of a one-to-one function f is given. Draw the graph of the inverse function f-1 as a dashed line or curve.f(x) = 
A. 
B. 