Unformatted text preview: 2. A) by looking at the graph if my numbers are correct the points will cross at the x-axis. . B) yes it has a maximum. It is at the peak of the parabola. C) The coordinates of the vertex are 2,9. D) The line of symmetry is x=2. 3. A).p(x)=-0.4x2+60x-1500 B).p(50)=-0.4(50)2+60(50)-1500 =-1000+3000-1500 p(50)=500 C). A profit of about 95 would need to be sold. X=-60-34.6/-0.8=94.6 D).95...
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- Spring '11
- Trial and error, form Unit, _Jennifer Harper, )/2a