2. To find the let = 0 : y-intercept, x (0)2 (0) = + − = −4 2 7 4 . y (2 ( To find the let x-intercept(s), − 1) + 4) = 0 x x + − = 2x2 7 4 x = 0 : 0 y
2. To find the y-intercept, let x = 0 : y = 2 (0)2 + 7 (0) − 4 = −4 . To find the x-intercept(s), let 2x2 + 7 x − 4 = 0 (2 x − 1) ( x + 4) = 0 y = 0 :
Downloadable-Solution-Manual-for-Precalculus-Concepts-Through-1.docx