Graph the Quadratic Function Using Its Vertex, Axis of Symmetry $$f ( x ) = x ^ { 2 } + 2 x - 8$$

question 232

Multiple Choice

Graph the quadratic function using its vertex, axis of symmetry, and intercepts.
- $$f ( x ) = x ^ { 2 } + 2 x - 8$$

• A) vertex \(( 1,9 )\) intercepts \(( - 2,0 ) , ( 4,0 ) , ( 0,8 )\)
• B) vertex \(( 1 , - 9 )\) intercepts \(( - 2,0 ) , ( 4,0 ) , ( 0 , - 8 )\)
• C) vertex \(( - 1 , - 9 )\) intercepts \(( 2,0 ) , ( - 4,0 ) , ( 0 , - 8 )\)
• D) vertex \(( - 1,9 )\) intercepts \(( 2,0 ) , ( - 4,0 ) , ( 0,8 )\)

Differentiate between ions' roles in depolarization of pacemaker cells versus other cardiac cells.

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