Determine the value of C such that the function is a probability mass function.f(x) = C(x - 1), x = 5, 6, 7, 8, 9
A. C = 
B. C = 
C. C = 
D. C = 
Answer: C
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Give a verbal description of the subset of real numbers represented by the following inequality, and sketch the subset on the real number line. ? ?-3 ? x < 0 ?
A. ?-3 ? x < 0 denotes the set of all real numbers greater than or equal to -3 and less than or equal to 0.
B. ?-3 ? x < 0 denotes the set of all real numbers greater than or equal to -3 and less than 0.
C. ?-3 ? x < 0 denotes the set of all real numbers greater than or equal to -3 and less than 0.
D. ?-3 ? x < 0 denotes the set of all real numbers greater than or equal to -3 and less than 0.
E. ?-3 ? x < 0 denotes the set of all real numbers less than or equal to -3 and greater than 0.
Plot the pair of points and determine the slope of the line containing them. Graph the line.(-8, -6), (-8, 2)
A. m = 
B. m = 
C. m is undefined 
D. m = 0 
Write the exponential equation as an equation involving a common logarithm or a natural logarithm.e-3 = t
A. ln t = -3 B. log-3t = e C. log-3e = t D. ln (-3) = t
Solve the problem.The distance traveled, d, is equal to the speed, r, multiplied by the time traveled, t. If John traveled at 68 miles per hour for 4 hour(s), then how far did he travel?
A. 272 mi B. 544 mi C. 72 mi D. 548 mi