Step-by-step explanation:
<em><u>I </u></em><em><u>thin</u></em><em><u>k</u></em><em><u> </u></em><em><u>mode</u></em><em><u>,</u></em><em><u>range</u></em><em><u> </u></em><em><u>and</u></em><em><u> </u></em><em><u>median</u></em><em><u> </u></em><em><u>dpo</u></em><em><u> </u></em><em><u>ako</u></em><em><u> </u></em><em><u>sure</u></em>
Ith Calculator
41.8 = 100%
215%/100% = 2.15
41.8 x 2.15 = 89.87
Without Calculator
41.8 = 100%
x2
83.6 = 200%
/10
4.18 = 10%
/20
2.09 = 5%
200 + 10 + 5 = 215%
83.6 + 4.18 +2.09 = <span>89.87</span>
Is the answer to your question 4/15?
Replace f(x) with y
switch x and y
solve for y
replace y with f⁻¹(x)
f(x)=x-1
y=x-1
x=y-1
x+1=y
x+1=f⁻¹(x)
f⁻¹(x)=x+1