An evergreen nursery sells a certain shrub after 8 years. The growth rate of the shrub is given by 
, where t is the time in years and h is the height in centimeters. The seedlings are 18 centimeters tall when planted (t = 0). How tall are the shrubs when they are sold?
?
A. 72 centimeters
B. 67 centimeters
C. 78 centimeters
D. 162 centimeters
E. 274 centimeters
Answer: D
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Solve.Trader Tower stands at 2811 feet high. Exchange Emporium is 819 feet tall. How much taller is Trader Tower than Exchange Emporium?
A. -3630 feet B. 1992 feet C. 3630 feet D. -1992 feet
Solve the problem. Round the answer to the nearest tenth, if necessary.Two airplanes depart from the same place at 4:00 p.m. One plane flies north at a speed of 314 mi/hr, and the other flies east at a speed of 313 mi/hr. How far apart are the airplanes at 7:30 p.m.?
A. 2,407,921.3 mi B. 1551.7 mi C. 1330.1 mi D. 443.4 mi
Evaluate the expression without using a calculator.- 
A. 4 B. -8 C. -16 D. -4
Solve the problem.Acme Electronics is a company which makes computer chips. The following table gives the revenue, y, in dollars for this company during the three stated years, x. In this table x = 0 corresponds to 1980, while src="https://sciemce.com/media/4/ppg__file0518192205__f1q152g3.jpg" alt="" style="vertical-align: -4.0px;" /> Round your answer to the nearest hundred dollars..
A. $1,830,800
B. $1,831,200
C. $1,831,800
D. $1,832,300
corresponds to 1986.
This set of data can be modeled by f(x) = ax2 + bx + c, where x represents the year. Find a linear system for which the solution represents the values of a, b, and c. Use technology to solve this system. Then, using the quadratic equation, predict the revenue for the year