What is the range of the function y = e Superscript x graphed below?

Based on the figures as marked, /\rqs = —

Ihonestly have no clue if it's each or none.

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?