35 = −b = −0.7 = of vertex x-coordinate (−0.01) 2a 2 of vertex (h, ) (−10, 51. k = 2 −5) ( ) 2 ( f x x = − 0.7 6.1 )2 x + + h k y + = −0.01x 2 2[x (−10)]2 = − + 0.7(35) 6.1 18.35 y = −0.01(35) + + = (−5) ( 2 x = +10)2 5 − The maximum height of the shot is about 18.35 feet. This occurs 35 feet from its point of release.
x-coordinate of vertex = −b = −0.7 = 35 2a 2 (−0.01) 51. (h, k ) = (−10, −5) of vertex 2 f ( x ) = 2 ( x − h )2 + k y = −0.01x + 0.7 x + 6.1 2 = 2[x − (−10)]2 + (−5) y = −0.01(35) + 0.7(35) + 6.1 = 18.35 = 2 ( x +10)2 − 5 The maximum height of the shot is about 18.35 feet. This occurs 35 feet from its point of release.
Precalculus-Essentials-5th-Edition-Blitzer-Solutions-Manual.docx