exam
Maths Puzzle
Numerical Ability
Let f(x)=sqrt x+1 and g(x)= 1/x+1. find the following and state the domain for each
(f+g)(x)
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exam Other Question
Determine the speed of a motorboat in still water and the speed of the river current, if it takes 3 hrs to travel a distance of 45 miles upstream and 2 hrs to travel 50 miles downstream.
Solve for x.
x^2+4x+4=7