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Maths Puzzle
Numerical Ability
Simplify -5+9+5-9=
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book Other Question
Find the Max or Min point of this function
f(x)=x^2-14x+59
&
f(x)= -x^2-14x-52
The access ramp to an expressway is 850 feet long. The measure of the angle of elevation is 4 degrees.About how long is the expressway from the horizontal at the beginning of the ramp?