Assume the graph of a function of the form y = asin(kx-b)) is given below.
which of the following are possible values for a, k, and b?
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+
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36
o a. a = 2, k = 4, and b =
o b. a = 4, k = 2, and b=
o c. a= 4, k = 2, and b = 1
o d. a = 4, k = 1, and b=-

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?