exam
Maths Puzzle
Numerical Ability
I think that I have to see if x1 and x has a solution and x2 and x have a solution and if they do the x is an element of span(x1,x2)
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exam Other Question
let h(x)=4^x+1 and find h(-1)
Please help and solve this graph for me. y=-x^2-2x
x;-3 -2 -1 0 1
y;