Find the value of the polynomial.4x5 - 2x4 - 6x3 - x2 when x = 2
A. 73
B. 40
C. 44
D. 39
Answer: C
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Solve the radical equation. Check all proposed solutions.x - 
= 4
A. x = 1, 2 B. x = 9 C. x = -1 D. x = 2, 9
Solve the problem.A simple harmonic motion is described by the equation 
where x is the displacement in meters and t is time in seconds. Find positive values of t for which the displacement is 
.
A. 
+ 4n sec, 
+ 4n sec, n an integer
B. 
+ 4n sec, 
+ 4n sec, n an integer
C. 
+ 4n sec, 
+ 4n sec, n an integer
D. 
+ 4n sec, 
+ 4n sec, n an integer
Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.Find the selling price of an item which cost a store $209. The store has a 30% markup.
A. $62.70 B. $696.67 C. $160.77 D. $271.70
Rewrite the expression in terms of sin ? and cos ?.cos ? tan ?
A. sin ? B. cos ? C. cot ? D. 1