book
Maths Puzzle
Numerical Ability
Find the value of the following polynomial for the given values of the variable.
Value #1: x = -3
Value #2: x = -2
-x^2 - 5x -6 ?
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book Other Question
If A and B are mutually exclusive events and P(A) = 0.3 and P(B) =0.2 find the following: a. P(A and B) do i just do .2+.3=.5 or is that wrong? i have no idea! and also b. P(A orB) is that just to divide or subtract? i am so... confused :/
x^2-x x^2+2x
_______ / ______
x^2+3x+2 x^2-1