Given the Equation or Other Information for a Parabola, Find $$\begin{array} { l } f ( x ) = a x ^ { 2 } + b x + c \\a < 0 ; b ^ { 2 } - 4 a c = 0\end{array}$$

question 355

Multiple Choice

Given the equation or other information for a parabola, find the matching description or graph.
- $$\begin{array} { l } f ( x ) = a x ^ { 2 } + b x + c \\a < 0 ; b ^ { 2 } - 4 a c = 0\end{array}$$

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Definitions:

Resistance

The act of opposing or struggling against something that is perceived as a challenge or a threat.

Foot-In-The-Door

A persuasion technique where a small initial request is made in order to gain compliance with a larger request later.

Door-In-The-Face

A persuasion technique where a large, unreasonable request is made first, followed by a smaller, more reasonable request.

Lowballing

A sales and negotiation tactic where an initial, lower price is offered to entice a buyer, before it is subsequently raised once the buyer is interested or committed.