If h(x) represents a parabola whose turning point is at (- 3, 7) and the function is defined by f(x) = - h(x + 2) then what are the coordinates of the turning point of Explain your reasoning

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?