Question

Evaluate the expression for the given value of the variable.

|4b-8|+|-1-b^2|+2b^3;b=2

Answer 1

In this question we already know the value of 'b' so put the value b=2 in the equation

=|4(2)-8| + |-1-(2)^2| + 2(2)^3

=|8-8| + |-1-4| + 2(8)

=0 -5 +16

=11