a job applicant estimates that his chances of passing a qualifying examination is 3/4. and his chance of being appointed if he d
2 answers:
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Given the equation of the parabola
The vertex of this parabola is placed at point (4,3).
If the equation of the parabola is then
The coordinates of the parabola focus are
Therefore, the focus is placed at point (4,3,75).
Answer: option D, 0.75 in. above the vertex
