Given the functionf(x)=0.5(3)^x, what is value of f-1(7)
1 answer:
Ok, a fun hack
if f⁻¹(a)=b then f(b)=a
so if f⁻¹(7)=b then f(b)=7
to find b, find x such that f(x)=7
7=0.5(3)^x
times both sides by 2 (or divide both sides by 0.5)
14=3^x
take log₃ of both sides

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Answer:
the answer is R13492
Step-by-step explanation:
hope it helps
R - 10 = 18 - r
2r = 28
r = 14
I have no idea what the answer is
0.7 is rounded to the tenth place