A survey shows that the probability that an employee gets placed in a suitable job is 0.65. A psychometric test consultant claim
2 answers:
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Answer:
The result for this equation is .
Step-by-step explanation:
-Solve:
-Multiply and
by
:
-Reduce to the lowest term by extracting and canceling out 3:
-So, the result is .
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
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