Tema
Q:
Calcule \( \log_{5}(125) \) usando a propriedade da mudança de base.
Q:
Please show all work. All answers should be expressed as exact answers. No decimal
approximations.
Solve the following system of equations.
\( 2 x^{2}+5 y^{2}=39 \)
\( 3 x^{2}-y^{2}=-1 \)
Q:
Determine whether the two functions are inverses.
\[ h(x)=5 x+1 \text { and } k(x)=\frac{x-1}{5} \]
The two functions are inverses.
The two functions are not inverses.
Q:
4. Un edificio tiene 1200 me ros de altura. Determine el ángulo de elevación de su último piso desde un
punto de la calle que está a. 5280 metros desde la base del edificio.
Q:
Solve the equation \( \frac{1}{4} t-6=-4 \)
Q:
olve the equation \( 7=-10 s-3 \)
Q:
equation \( -2 y+6=-12 \)
Q:
A relation in \( x \) and \( y \) is given. Determine if the relation defines \( y \) as a one-to-one function of \( x \).
\( \{(8,-3),(13,-4),(9,-1),(4,-6)\} \)
The relation defines \( y \) as a one-to-one function of \( x \).
The relation does not define \( y \) as a one-to-one function of \( x \).
Q:
Solve the equation \( 13 d+8=-1 \)
Q:
Solve. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)
\[ \sqrt[3]{3 x}=-3 \]
\( x=\square \)
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