Working alone, Hongyi can do a certain job in three hours and Yuming can do the same job in two hours. At these rates, how long
1 answer:
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We can write any number n in the form , since
and
are inverse functions, so that
The bases are the same on both sides, so the exponents must be equal.
Solve for x :
Answer:
(- 14) = 9
Step-by-step explanation:
f(9) = - 14 maps x = 9 to y = - 14
The inverse maps y = - 14 to x = 9 , that is
(- 14) = 9