1 Um técnico em informática cobra \( R \$ 45,00 \) a visita e um adicional de \( R \$ 80,00 \) por hora de trabalho, com valor proporcional no fracionamento da hora. a) Quanto o técnico receberia por um serviço de 2,5 h? b) Dispondo-se de \( R \$ 400,00 \), seria possivel con- tratar esse técnico para um serviço de 4 horas? c) Qual é a lei da funçâo que representa o valor v, em reais, de um serviço de x horas feito pelo técnico? Esboce o gráfico dessa funçăo.

Suppose you want to have \( \$ 700,000 \) for retirement in 25 years. Your account earns \( 4 \% \) interest. a) How much would you need to deposit in the account each month? b) How much interest will you earn?

Find the final hourly wage if a \( \$ 9.00 \) starting wage is increased by \( 4.5 \% \) each year for 8 years.

You deposit \( \$ 500 \) each month into an account earning \( 6 \% \) interest compounded monthly. a) How much will you have in the account in 20 years? b) How much total money will you put into the account? c) How much total interest will you earn? \( \$ \)

Phil is shopping for an annuity that guarantees he CANNOT outlive the benefits. Which of these benefit options would he choose?Accelerated lifetime benefitGuaranteed lifetime withdrawal benefitRight of income riderGuaranteed minimum accumulation benefit

You deposit \( \$ 1000 \) each year into an account earning \( 7 \% \) interest compounded annually. How much will you have in the account in 35 years?