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Salinas West
11/15/2023 · Middle School

2. Um técnico que presta serviços de manutenção de computadores em residèncias cobra uma taxa fixa de R \( \$ 35,00 \) pela visita e R \( \$ 10,00 \) por hora trabalhada. a) Escreva a lei de correspondência que relaciona o valor pago pelo serviço prestado e as horas de trabalho desse ténico. b) Qual é o valor de um serviço iniciado às 15 h 45 min e concluido às 17 h 45 min ? c) Quantas horas esse ténico trabalhou, sabendo-se que ele recebeu R\$ 75,00 pelo serviço? d) Qual é a variável dependente da lei obtida no item a? E a variavel independente?

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a) A lei de correspondência é \( V = 35 + 10h \). b) O valor do serviço é R\$ 55,00. c) O técnico trabalhou 4 horas. d) A variável dependente é \( V \) e a independente é \( h \).

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