Annual sales (in millions of units) of hand-held computers are expected to grow in accordance with the function
?
?
where 
is measured in years, with 
corresponding to 1997. How many hand-held computers will be sold over the 6-year period between the beginning of 1997 and the end of 2002?
?
A. 31.73 million
B. 31.84 million
C. 31.4 million
D. 31.68 million
Answer: D
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Describe how the graph of the equation relates to the graph of y = x2.f(x) = 
x2 - 3
A. vertical stretching by a factor of 5 and a translation 3 units to the right
B. vertical shrinking by a factor of 
and a translation 3 units to the left
C. vertical shrinking by a factor of 
and a translation 3 units down
D. vertical stretching by a factor of 5 and a translation 3 units down
Evaluate the determinant.
A. 50 B. -50 C. 58 D. -6
Solve the problem. Round to the nearest tenth if necessary.A 22-foot ladder is leaning against a house with the base of the ladder 6 feet from the house. How high up the house does the ladder reach? If necessary, round to the nearest tenth foot.
A. 21.2 ft B. 22.8 ft C. 16 ft D. 21.8 ft
Solve the problem.The formula v = 
can be used to estimate the maximum safe velocity v, in miles per hour, at which a car can travel along a curved road with a radius of curvature r, in feet. To the nearest whole number, find the maximum safe speed for a curve in a road with a radius of curvature of 350 feet.
A. 19 mph B. 47 mph C. 30 mph D. 12 mph