In a certain country, the tax on incomes less than or equal to €20,000 is 10%.

Algebra
Tutor: None Selected Time limit: 1 Day

For incomes that are more than €20,000, the tax is €2000 plus 50% of the amount over€20,000.

x) = 
     if 0 ≤ x ≤ 20,000
     if x > 20,000

 

(b) Find 

f −1.

 

f −1(x) = 
     if 0 ≤ x ≤ 2000
     if x > 2000
Mar 1st, 2015

a)10/100 *x

b) 50/100 *x +2000

c)10x

d)(x-2000)*100/50 =2x-4000

Mar 1st, 2015

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