Q3. What is the primary purpose of personal protective equipment (PPE)? (a) To enhance worker comfort (b) To improve worker productivity (c) To reduce the risk or injury (d) To comply with company dress code Q4. What should you do if you identify a potential hazard in the workplace? (a) Ignore it and continue working (b) Report to a supervisor (c) Try to fix without notifying anyone (d) Discuss at the next safety meeting Q5.What is an example of an ergonomic hazard? (a) Loud noise (b) Poor lighting (c) Heavy lifting (d) Chemical exposure

En \( R^{2} \) suponga que \( (x)_{B_{1}}=\binom{2}{-1} \), donde \( B_{1}-\left\{\binom{1}{1},\binom{2}{3}\right\} \). Al escribir \( x \) en términos de là base \( B_{2}=\left\{\binom{0}{3},\binom{5}{-1}\right\} \) queda \( (x)_{B_{1}}=\binom{-\frac{1}{3}}{\beta} \) ¿Cuánto vale \( \beta \) ?

If the demand side of a market holds a high level of market power, then the sellers ___ than they would otherwise are likely to sell at a lower price are likely to sell at a higher price will face higher switching costs will face lower switching costs

For many years, individuals and families around the world would sit in front of the television and watch the news. Now, you can find the news online. The move from watching the news on tw to reading the news online is considered a cheaper alternative, which is also known as a complement existing competitors threat of entry substitute

13 puntos Considere la transformación \( T: \mathbb{R}^{2} \rightarrow P_{3} \) definida por \[ T\binom{a}{b}=a+b+(a-b) x+(2 a+b) x^{2} \] a) 5 puntos Halle una base para el núcleo de \( T \) y su nulidad.

Encuentre la representación matricial \( A_{T} \) de la transformación lineal: \( T: \mathrm{R}^{3} \rightarrow \mathrm{R}^{2}: \mathrm{T}\left(\begin{array}{l}x \\ y \\ z\end{array}\right)=\binom{x-y+z}{-2 x+2 y-2 z} \)