Add. Write the answer in lowest terms.
A. 9
B. 27
C. 25
D. 26
Answer: D
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Solve the problem.The number of bacteria growing in an incubation culture increases with time according to 
where x is time in days. Find the number of bacteria when x = 0 and x = 2.
A. 9500; 47,500 B. 1900; 47,500 C. 1900; 5,937,500 D. 1900; 19,000
Write a percent for both the shaded and unshaded parts of the figure.
A. 0.12% shaded; 99.88% unshaded B. 10% shaded; 90% unshaded C. 0.12% shaded; 88% unshaded D. 12% shaded; 88% unshaded
Solve the problem.A ball is thrown vertically upward with an initial velocity of 192 feet per second. The distance in feet of the ball from the ground after t seconds is 
For what intervals of time is the ball less than 512 above the ground (after it is tossed until it returns to the ground)?
A. {x ? 4 sec < x < 8 sec} B. {x ? 0 sec < x < 3.5 sec and 8.5 sec > x > 12 sec} C. {x ? 0 sec < x < 5.5 sec and 6.5 sec > x > 12 sec} D. {x ? 0 sec < x < 4 sec and 8 sec > x > 12 sec}
Solve the problem.If g(x) = x2 - 3x - 18 , solve g(x) ? 0.
A. [6, ?) B. [-3, 6] C. (-?, -3] D. (-?, -3] or [6, ?)