Which letter represents the y-intercept in the slope-intercept equation of a line: y = mx + b?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%