3x + 6x=yx make each equation true

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

Find the domain and range of the following function f(x) = 51x - 21+ 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?