Identify the slope and y-intercept of the function y= -2x + 1
A: The slope is 1
The y-intercept is (0,2)
B: The slope is 2
The y-intercept is (0,1)
C: The slope is 1
The y-intercept is (0,-2)
D: The slope is -2
The y-intercept is (0,1)
