Solve the problem.The amount of time that goes by between a new driver getting a license and the moment the driver is involved in an accident is exponentially distributed. An insurance company observes a sample of new drivers and finds that 50% are involved in an accident during the first 3 years after they get their driver's license. In a group of 200 new drivers, how many should the insurance company expect to be involved in an accident during the first 4.5 years after receiving their license?
A. ? 129 drivers
B. ? 71 drivers
C. ? 178 drivers
D. ? 155 drivers
Answer: A
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Factor completely. If a polynomial cannot be factored, say it is prime.x2 - 12x + 144
A. (x + 12)(x - 12) B. (x - 12)2 C. (x + 12)2 D. prime
Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = x2 + 7
A. minimum; 7 B. maximum; 0 C. maximum; 7 D. minimum; 0
Solve by graphing.During the month of January 1997, the depth of snow y (in inches) at the base of one ski resort could be approximated by the linear equation 
where x is the number of days since December 31st. Graph the equation and use the graph to estimate the depth of snow on January 30th. 
A. 12 inches B. 7 inches C. 37 inches D. 15 inches
Find the missing factor.4x2 + 19x + 21 = (4x + 7)( )
A. 4x + 14 B. x - 3 C. 4x + 3 D. x + 3