A linear function is given. Complete parts (a)-(d). h left parenthesis x right parenthesis equals 2 x plus 8h(x)=2x+8 Question content area bottom left Part 1 (a) Determine the slope and y-intercept of the function. The slope is 22. (Type an integer or a simplified fraction.) Part 2 The y-intercept is 88. (Type an integer or a simplified fraction.) Part 3 (b) Use the slope and y-intercept to graph the linear function. Use the graphing tool to graph the function. Use the slope and y-intercept when drawing the line. Part 4 (c) Determine the average rate of change of the function. The average rate of change is enter your response here