Sally can paint a room in 55 hours while it takes steve 77 hours to paint the same room. how long would it take them to paint the room if they worked together

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)

Is this a polynomial function? i need to know asap

Need showing work for this problem 56.25 ×25.80