What best describes a portfolio? Purchasing a 10 -year CD from your bank with a \( 3 \% \) APY. An investor's collection of investments. Taking the car you bought for \( \$ 3,000 \) and selling it for \( \$ 4,000 \). Purchasing a share of ownership in Nike.

A pre-paid cell phone company charges \( \$ 10.05 \) as a monthly access fee and \( \$ 0.11 \) per minute of calling time. Express the monthly cost \( C \) in terms of minutes of call time.

Responde dos preguntas sobre la siguiente expresión racional. \( \frac{2 x^{2}+4 x}{x^{2}+5 x+6} \) 1. ¿Cuál es una expresión equivalente en su mínima expresión? 2. ¿Qué valores de \( x \) debemos excluir de los dominios de las expresiones?

A ball of mass 0.8 kg flies through the air at low speed, so that air resistance is negligible. What is the net force acting on the ball while it is in motion?

18. LESsICO In conclusione Fedro ricorda che "La favola e per quelli / che con pretesti gli innocenti opprimono" (vv. 17-18). Analizza il termine pretesto, indicandone l'etimologia e le diverse accezioni, quindi proponi almeno due sinonimi, uno per ciascun valore.

2 When 24504000 is rounded to 2 significant figures, it would be: \( \square_{41} \) (1 Poi