exam Maths Puzzle Numerical Ability

instructions:

Graph in a coordinate plane
17. y<2x^2-4x+1

i have no idea how to simplify nor graph..

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exam Other Question

roise's palm pirates, a manufacturer of electronic organizers, estimates that when x hundred palm pirates are made, the averages cost per unit is given by C(x)=0.4x^2-3.68x+9.524, which one of the following geometric forms is a curved surface.
A. side of a cone
B. side of a pyramid
C. Base of a cylinder
D. Base of a Prism