Write a mathematical expression for the word phrase.Nine is greater than or equal to four
A. 9 ? 4
B. 9 = 4
C. 9 > 4
D. 9 ? 4
Answer: D
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Give an appropriate answer.Let
f(x) = -1 and 
g(x) = -9. Find
[f(x) + g(x)]2.
A. 8 B. 100 C. 82 D. -10
Find the average value of the function f over the given region.f(x, y) = sin 5(x + y) over the square 0 ? x ? 
, 0 ? y ? 
.
A. ?2
B. 4?2
C. 
D. 
Solve the problem.The power P (in W) generated by a particular windmill is given by 
where V is the velocity of the wind (in mph). Find the instantaneous rate of change of power with respect to velocity when the velocity is 
A. 97.3 W/mph B. 21.9 W/mph C. 9.9 W/mph D. 0.7 W/mph
Solve the problem.Suppose you purchase a three-year bond with an APR of 2.5%. The face value of the bond is $6450. Find the purchase price of the bond.
A. $5931.03 B. $6933.75 C. $6000 D. $5958.43 E. $6042.15