21-09-2018
Mathematics

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evaluate the expression for the given value of the variable. |b| + b^3 ; b = -2, please show work!

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worldmadebynerd worldmadebynerd

21-09-2018

So b=-2 so you plug b in

l(-2)l + (-2)^3.

The absolute value of -2 is just 2 so now it is

2 + (-2)^3.

-2 * -2 is 4 but 4 * -2 is -8. So 2 + (-8) or 2 - 8 which comes to equal (-6) or negative six.

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