What is .574 as a fraction

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Lindsay used two points, (x, y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

What are the domain and range of the function f(x)=2^x+1