This preview shows pages 1–3. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: function s(t) = 16t 2 + 112t + 240 models the ball's height above the ground, s(t), in feet, t seconds after it was thrown. After how many seconds does the object reach its maximum height? Round to the nearest tenth of a second if necessary. Solve the equation by making an appropriate substitution. 11) x 2/3 6x 1/3 + 5 = 12) x2 + x1 6 = 2 Answer Key Testname: 120_CH.13_REVIEW 1) {2 + 2 5 ,2 2 5 } 2) {7 15 ,7 + 15 } 3) {1 i 19 2 } 4) Two imaginary solutions 5) x 2 6x 40 = 6) x 2 + 100 = 7) x105 5 10 y 10 5510 Vertex: (1, 4) xintercepts: (1, 0) and (3, 0) yintercept: (0, 3) axis of symmetry: x = 1 8) minimum; ( 1, 3) 9) maximum; (1, 4) 10) 3.5 seconds 11) {1, 125} 12) { 1 3 , 1 2 } 3...
View
Full
Document
This note was uploaded on 05/05/2008 for the course MAT 120/222/10 taught by Professor None during the Spring '08 term at ASU.
 Spring '08
 None
 Radicals

Click to edit the document details