1. For the linear function g(x)=7x-2, which of the following is true? (1) It has a slope of 7 and a y-intercept of -2. (2) It has a slope of -2 and a y-intercept of 7. (3) It has a slope of 7x and a y-intercept of -2. (4) It has a slope of -2 and a y-intercept of 7x. y=mx+b 2. Which of the following represents the average rate of change of the function g(x)=2x+1 over the -2x8? 97 (1) 54 (3) (4) 23 32 3. What is the equation of the line shown in the graph below? (1) y=2x+4 1 (3) y=x-2 2 (2) y=2x-2 (4) y=x+4 2 A