When his son was three years old, Vuyisanani made a deposit of R16 200,00 in the bank. The investment grew at a simple interest rate and, when Vuyisanani's son was 22 years old, the value of the investment was R46 980,00 . Had the interest been \( 1,25 \% \) less, how much interest would he have accumulated in the 19 years?

REALTA E MODELLI Open space Lucia lavora come traduttrice. La sua postazione è su un tavolo rettangolare stretto e lungo, che condivide con altri colleghi. Il tavolo ha l'area di \( 2,16 \mathrm{~m}^{2} \) e un lato che supera l'altro di 3 m . Quali sono le dimensioni del tavolo? \( [0,6 \mathrm{~m} \mathrm{e} 3,6 \mathrm{~m}] \)

Under what convention is the master to ensure that a ship is seaworthy and n a fit state to safely carry a shipper's cargo?

\( |x^{2}-4|\leq |-y| \)

4. For the function \( f(x)=-2 x^{\wedge} 3+3 x^{\wedge} 2+12 x-5 \), at what \( x \)-value does a local maximum occur?

\( D = | 1 - 3 x | - 3 | x + 4 | \)