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

x+y^c=d Sole the system of equations by graphing. Then classify the system as consistent or inconsistent and the equations as dependent or independent

3x-y=26
3x+4y=-14