Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.
A. Incorrect. Estimate: 1700
B. Incorrect. Estimate: 1900
C. Incorrect. Estimate: 2000
D. Correct. Estimate: 1800
Answer: D
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Solve.County records list a rectangular parcel of land as measuring 42,994 square yards. A surveyor measures the length of the parcel of land as 259 yards. What is the width of the parcel?
A. 166 yards B. 159 yards C. 175 yards D. 42,735 yards
Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by 
and the total cost function is given by 
, where x represents the number of boxes of computer chips produced. The total profit function, P(x), is such that 
. Find P(x).
A. P(x) = 0.3x2 + 27x - 36 B. P(x) = 0.3x2 + 38x - 24 C. P(x) = -0.3x2 + 27x + 12 D. P(x) = -0.3x2 + 38x - 12
Evaluate the expression using the values given in the table.(f?g)(3)
A. 4 B. Undefined C. 3 D. 9
Use the hybrid selection model described to find the percent y (in decimal form) of the population that has the indicated characteristics as a function of time ?t (in generations).
?
when 
; 
when 
?
?
A. ?
B. ?
?
C. ?
D. ?
E. ?