Jumat, 21 Januari 2011

Tugas kelas XI-IA5,XI-IA6

Answer the following questions in your groups correctly

Topic : Modulus function

1. Find the solution of : | x - 2 | = | x + 3 |
2. Solve the following inequalities :
a. | x + 2 | < | x + 3 | b. | x^2 - 4 | > | x + 4 |
c. | log x | < 2 d. | log 6x | > 1
3. Solve the following inequalities :
a. | x + 2 | : | x - 2 | < 3
b. {| x | + 2 } : { |x| - 2 } < 0
c. { | |x| + 1 |} : { |x| - 1 } < 0

Submit your work at January 29, 2011

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