Huuu p! give the domain and range. a. domain: {4, 0} range: {–2, 0, 2} b. domain: {4, 0, 4} range: {–2, 0, 2} c. domain: {–2, 0, 2}, range: {4, 0} d. domain: {–2, 0, 2}, range: {4, 0, 4}

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?