5x+2y=7
y = x + 1
What is the solution set of the given system?
(5/7, 12/7)
(12/7,5/7)
(19/7, 16/7)
NEZ QUESTION
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Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

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?

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