exam
Maths Puzzle
Numerical Ability
one number is 4 less than 3 times
another number.
c 4 5 6 7 8
d 8 11 _ _ _
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exam Other Question
Which two functions are inverses of each other. Show that they are inverse functions. f(x)= x+2 over 4, g(x)= 4x+2, h(x)= x-2 over 4 .
find the vertex of the parobola f(x)=-4x^2+40x-93