exam
Maths Puzzle
Numerical Ability
What does the graph of y=1 look like?
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exam Other Question
if f(x)=log((1+x)/(1-x))then prove that 2f(x)=f((2x)/1+x2))
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An object is projected upward from the top of a tower. Its distance in feet above the ground after t seconds is given by s(t)=-16t+64t+80. How many seconds will it take to reach ground level?