At midnight, the temperature was -8F. At noon, the temperature was 23F. Which expression represents the increase in temperature?
1 answer:
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Given:
The equation of the parabola is:
To find:
The y-intercept of the parabola.
Solution:
We have,
Putting in the given equation, we get
Therefore, the y-intercept of the parabola is 0. It means the y-intercept of the given parabola is at point (0,0).