exam
Maths Puzzle
Numerical Ability
True or False.
the following matrices can be multiplied.
[2 -2] [0 1]
[3 -3] [9 -1]
[0 1]
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exam Other Question
i need to find the center, and radius of this circle
x^2+(y-8)^2 = 81
please help
Find the approximate increasing and decreasing intervals:
a) f(x) = x2 - 4x
x (x - 4) =0
x = 4
b) f(x)= 9x -x3 (x to the third power)