Q:
122. Постройте график функции \( y=-x^{2}+2 x+8 \) и найдите, ис-
пользуя график:
а) значение функции при \( x=2,5 ;-0,5 ;-3 ; \)
б) значения аргумента, при которых \( y=6 ; 0 ;-2 \);
в) нули функции и промежутки знакопостоянства;
г) промежутки возрастания и убывания функции, область зна-
чений функции.
Q:
(Express \( \frac{6}{7 h}-\frac{3-4 g}{14 h} \) as a single fraction in its simplest form.
Ungkapkan \( \frac{6}{7 h}-\frac{3-4 g}{14 h} \) sebagai pecahan tunggal dalam bentuk termudah.
Q:
Aşağıdaki sayıların 4 ile bölünebilmesi için
gelebilecek rakamların tamamını yazınız.
4. \( 2 \square 6 \rightarrow \)
5. \( 25 \square \rightarrow \)
\( 6.24 \square 0 \)
Q:
Aşağıdaki sayıların 3 ile bölünebilmesi için
gelebilecek rakamların tamamını yazınız.
1. \( 12 \square 8 \rightarrow \)
2. \( 150 \square \rightarrow \ldots \)
3. \( 11 \square 02 \rightarrow \)
Q:
Ex. 3 Simplify \( \left(9.6 \times 3.6 \div 7.2+10.8\right. \) of \( \left.\frac{1}{18}-\frac{1}{10}\right) \)
Q:
A random sample of 69 produced the summary statistics \( \bar{x}=0.326 \) and \( \mathrm{s}^{2}=0.064 \). Complete parts a and \( b \).
a. Test the null hypothesis that \( \mu=0.37 \) against the alternative hypothesis that \( \mu<0.37 \), using \( \alpha=0.10 \).
What is the value of the test statistic?
\( z=-1.44 \) (Round to two decimal places as needed.)
Find the \( p \)-value.
p-value \( =\square \) (Round to three decimal places as needed.)
Q:
expunencial
\( \left.\left(4^{2}\right)\left(2^{3}\right)^{2 x-5}\right)=8 \)
Q:
Exercice N1
\( \begin{array}{lll}\text { Simplifier les expressions suivantes puis calculer leur valeur: } \\ \begin{array}{lll}\text { 1. } a=5^{1,7} \times 5^{1,3} & \text { 2. } b=\left(2^{-\frac{1}{5}}\right)^{6} & \text { 3. } c=4^{-0,7} \times \times \frac{1}{4^{0,3}}\end{array} & \text { 4. } d=\frac{6^{4,5} \times 6^{2,3}}{\left(6^{1,6}\right)^{3}}\end{array} \)
Q:
\( r = \tan \theta \sec \theta \)
Q:
Ejercicio 1:
Los vecinos de una urbanización abonan \( 390 € \) mensuales por las 130 farolas que alumbran
sus calles. ¿Cuántas farolas han de suprimir si desean reducir la factura mensual a \( 240 € \) ?
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