Topic
Q:
\( e ^ { 4 + i } \)
Q:
\( 1 \leftarrow \quad \begin{array}{l}\text { In a race in which five automobiles are entered and there are no ties, in how many ways can the } \\ \text { first three finishers come in? }\end{array} \)
Q:
Solve this system of equations. Give your solution as an ordered pair, using integers or reduced fractions for
the coordinates.
\( \left\{\begin{array}{l}x+2 y \quad=7 \\ -2 x+3 y=7\end{array}\right. \)
Q:
El area teritorial total dos municipios del Estado de Puebla es de 1890 kiómetros cuadrados. Usando Google Maps se determinó qu
diferencia termional es de 600 Km cuadrados. Determinar el área de cada municiplo
Seleccione una:
a. municipio \( 1=1045 \), municipio \( 2=645 \)
b. municipio \( 1=1145 \), municipio \( 2=745 \)
c. municipio \( 1=1045 \), municipio \( 2=845 \)
d. municipio \( 1=1245 \), municipio \( 2=645 \)
Q:
Solve. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)
\[ \sqrt{4 u+7}=\sqrt{7 u+1} \]
\( u=\square \)
Q:
¿Qué supuesto es fundamental para * 1 punto
realizar la prueba \( t \) de Student para
muestras independientes?
\( \begin{array}{l}\text { Las varianzas de ambas muestras deben } \\ \text { ser iguales. }\end{array} \)
\( \begin{array}{l}\text { Ambas muestras deben tener el mismo } \\ \text { número de observaciones. }\end{array} \)
Los datos deben ser ordinales.
Q:
Solve the following system of equations. Enter your answer as a point, in the form of \( (x, y) \). Enter numbers
as integers or reduced fractions.
\( \begin{array}{l}-3 x-y=1 \\ 3 x-y=-11\end{array} \)
Answer: \( (x, y)=\square \)
Q:
Solve. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)
\[ \sqrt{8+2 r}=\sqrt{3 r+11} \]
\( \square \)
Q:
Solve the given system of linear equations. Enter your answer as a point (or ordered pair of numbers) in the
form of \( (x, y) \).
\( \begin{array}{l}4 x+y=21 \\ 3 x-2 y=-9 \\ \text { One solution: } \\ \text { No solution } \\ \text { Infinite number of solutions }\end{array} \).
Q:
Complete the following steps for the given function interval, and value of \( n \).
a. Sketch the graph of the function on the given interval.
b. Calculate \( \Delta x \) and the grid points \( x_{0} x_{1} \quad x_{n} \)
c. Illustrate the left and right Riemann sums, and determine which Riemann sum
underestimates and which sum overestimates the area under the curve
d. Calculate the left and right Riemann sums.
\[ f(x)=\cos (x-5 \pi / 8) \text { on }[\pi / 2 \pi] n=4 \]
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