For the function f(x)=10(x+7), find f−1(x)f −1 (x)

result is  xx/100 - (7/5)x  + 49    or.

f−1(x)f −1 (x) =  ((x/10) - 7)*((x/10) - 7)

Step-by-step explanation:

for the function f(x)=10(x+7), find f−1(x)f −1 (x)

f-inverse...

x = 10(y + 7)

(x/10) = y + 7

y = (x/10) - 7

f-inverse =  (x/10) - 7

then

f−1(x)f −1 (x) =((x/10) - 7)*((x/10) - 7)

xx/100 + 49  - (7/5)x

result is  xx/100 - (7/5)x  + 49

e^-kt = n/n0 = 0.79  

-kt = ln 0.79  

t = - ln 0.79/0.0001  

= 2357 years

step-by-step explanation: