Use a graphing calculator to find the y-intercept and x-intercepts of the function y=0.5x^2+2x+1 A. y-intercept: -1; x-intercepts: -3.414 and -0,586 B. y-intercept: 1; x-intercepts:-3.414 and 0.586 C. y-intercept:-1; x-intercepts: -3.521 and -0.606 D. y-intercept: 1; .r-intercepts: -3.521 and -0.606