nsidere \( T: \mathbb{R}^{2} \rightarrow \mathbb{R}^{2} \) transformación lineal. Sean \( B=\{(2,1),(1,1)\} \) \( =\{(2,3),(-1,2)\} \) bases respectivas. Sabiendo que \[ [T]_{B}^{D}=\left(\begin{array}{ll}2 & 4 \\ 1 & 2\end{array}\right) \] (a) \( (9 \) puntos) Determine una base para \( \operatorname{Ker}(T) \).

What's the difference between a dinner roll,slider bun and hamburger buns?

Which of the following statements correctly describes the relation? Select all that apply. (A) The \( x \)-axis has a scale mark of 1 mark \( =1 \) pound of bananas. (B) The \( x \)-axis has a scale mark of 1 mark \( =1 \) year. (C) The \( x \)-axis represents the years since 2013 . (D) The \( x \)-axis represents the number of pounds of bananas sold. (E) The \( y \)-axis represents the years since 2013 . (F) The \( y \)-axis represents the number of pounds of bananas sold. (G) The \( y \)-axis has a scale mark of 1 mark \( =10 \) years.

Find the inverse, if it exists, for the matrix. \( \left[\begin{array}{rr}-1 & -2 \\ 4 & 4\end{array}\right] \) Select the correct choice below and, if necessary, fill in the A. The inverse of the matrix is (Type an integer or simplified fraction for each matr B. The inverse does not exist.

Why did slave owners think a strong fugitive slave law was necessary in 1850?Select one:a. The Constitution did not give them the power to retrieve escaped slaves. b. There was no federal fugitive slave law.c. Northern communities were increasingly unwilling to return escaped slaves.d. Tens of thousands of slaves were escaping each year.

1.1) Sea \( F: \mathbb{R}^{3} \rightarrow \mathbb{R}^{2} \) la transformación lineal cuya matriz asociada es: \( M(F)_{B E}=\left(\begin{array}{ccc}-1 & 1 & 0 \\ 2 & 0 & k\end{array}\right) \) siendo \( B=\{(0,1,0),(-1,1,0),(0,0,2)\} \) y \( E \) : base canónica de \( \mathbb{R}^{2} \). 1. Probar que \( F \) es sobreyectiva \( \forall k \in \mathbb{R} \). 2. Obtener el valor de \( k \) para que \( N u(F)=\left\{(x, y, z) \in \mathbb{R}^{3} / 2 x+y=0 \wedge 3 y-z=0\right\} \).