By checking work records, a plumber finds that worker A can do a certain job in 12 hours. Worker B can do the same job in 9 hours. How long would it take if they worked together? can someone gave me a step by step explanation please?

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no, x cannot be the same number. in all of them, x is 1. for one input there is another output. g is not a function

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step-by-step explanation:

x^(1/6) · x^(1/6) · x^(1/6)   ·x^(1/6) = x^(4/6)   since we add the exponents

4/6 can be simplified to 2/3

the simplified form is x^(2/3)

a

step-by-step explanation: