If the Fed ralsed the reserve requirement, the demand for reserves would increase, so the federal funds rate would rise. increase, so the federal funds rate would fall. decrease, so the federal funds rate would rise. decrease, so the federal funds rate would fall.

18. Suppose that \( \$ 84,000 \) is invested at \( 5.5 \% \) interest, compounded quarterly. Find the function that models the investment growth after \( t \) years. Find the amount of money in the account when \( t=10 \) years.

(Ucsal-BA) Uma pessoa tomou empres- tada a quantia de R\$ 1200,00 e vaì de- volvê-la com juros que totalizam R\$ 750,00 . O pagamento será feito em 10 prestaçòes, sendo cada uma delas maior que anterior em R\$ 10,00 . O valor da primeira prestação deverá ser: \( \begin{array}{ll}\text { a) R\$ } 130,00 & \text { d) R\$ } 160,00 \\ \text { b) R\$ } 140,00 & \text { e) R\$ } 170,00 \\ \text { c) R\$ } 150,00 & \end{array} \)

You're buying a car that is listed at \( \$ 15,499 \). What is the total cost of the car including the \( 7.75 \% \) sales tax? Round to two decimal places.

\( B=\frac{D\left(\left(1+\frac{r}{n}\right)^{n \cdot t}-1\right)}{\frac{r}{n}} \) Here are the values you identified for each variable: \( D=150 \) \( r=0.08 \) \( n=12 \) \( t=10 \)

1. En una empresa un analista obtiene la ecuación que describe la ganancia dada en MXN en base a la cantidad de piezas fabricadas \( (\mathrm{x}) \) : a) ¿De cuánto seria là ganancia si la empresa fabrica 100 piezas?