Let x be a continuous random variable over [a, b] with probability density function f. Then the median of the x-values is that number m for which 
.Find the median.f(x) = 
x, [0, 4]
A. 
B. 2
C. 4
D. 2
Answer: D
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Simplify.
A. 1.8 B. 0 C. -1.8 D. ±1.8
Solve the problem.A city is growing at the rate of 0.6% annually. If there were 2,520,000 residents in the city in 1993, find how many (to the nearest ten-thousand) were living in that city in 2000. Use 
A. 2,630,000 B. 2,660,000 C. 6,800,000 D. 290,000
Solve by graphing.The cost y (in hundreds of dollars) of tuition at one community college is given by the linear equation 
where x is the number of credits for which a student registers. Graph the equation and use the graph to estimate the cost of tuition if a student registers for 14 credits. 
A. $2900 B. $2500 C. $1700 D. $1950
Multiply. Assume all variables represent nonnegative real numbers.
(5
- 
)
A. 5 
- 6 
B. 5 
- 6
C. 4 
D. 5 
- 6