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pashok25 [27]
2 years ago
14

The inches of rainfall on mount waiale on Kauai in Hawaii is represented by the function f(x)=3^x+1-22 scientist are useing equa

tions to study rain fall from year to year​.
Calculate how much rainfall there was in year four and In year nine. You must show all of your work and calculate.
Mathematics
2 answers:
gayaneshka [121]2 years ago
8 0

Answer:

\textrm {221 in year  4} \\ \textrm{59027 in year 9}

Step-by-step explanation:

we are given a function

\displaystyle f(x) =  {3}^{x + 1}  - 22

where x represents the years f(x) represents the amount of rainfall

so to figure out the amount of rainfall in year 4 we can substitute 4 for x

\displaystyle f(4) =  {3}^{4+ 1}  - 22

simplify addition:

\displaystyle f(4) =  {3}^{5}  - 22

simplify square:

\displaystyle f(4) =  243- 22

simplify substraction:

\displaystyle f(4) =  221

likewise In the year 9

\displaystyle f(9) =  {3}^{9 + 1}  - 22

simplify addition:

\displaystyle f(9) =   {3}^{10} - 22

simplify square:

\displaystyle f(9) =   59049 - 22

simplify Substraction:

\displaystyle f(9) =  59027

hence,

there was <u>2</u><u>2</u><u>1</u> and <u>5</u><u>9</u><u>0</u><u>2</u><u>7</u> in year four and In year nine

Aliun [14]2 years ago
6 0
F(x)=3^x+1-22 is the question
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