What stereochemistry would you expect for the product of the Diels–Alder reaction between (2E,4E)-2,4-hexadiene and ethylene? What stereochemistry would you expect if (2E,4Z)-2,4-hexadiene were used instead?

Find the indicated quantities for the appropriate sequences.

$a_2 = 800, a_n = 6400, S_n = 32,500, d = 700, n = ?$ (arith.)

Sketch the surface. \

$$x^2+y^2+z^2=4$$

What did you think would happen next?

Complete the table comparing the values of $f(x)=\cos x$ and $P_2(x)$. What do you observe?

$$\begin{array}{|l|l|l|l|l|l|l|l|} \hline x & -1.0 & -0.1 & -0.001 & 0 & 0.001 & 0.1 & 1.0 \\ \hline \cos x & & & & & & & \\ \hline P_2(x) & & & & & & & \\ \hline \end{array}$$

Suppose that $\int_{0}^{4} f(x) d x=5 \text { and } \int_{0}^{2} f(x) d x=-3$ and $\int_{0}^{4} g(x) d x=-1$ and $\int_{0}^{2} g(x) d x=2.$ in the following exercise, compute the integrals. $\int_{0}^{2}(3 f(x)-4 g(x)) d x$

Use a graph of f’’ to give better estimates.

$$f(x)=cosx+1/2cos2x, 0≤x≤2π$$

Arrange the quantities from smallest to largest. 2.67 kl, 3000 ml, 14630 cl

Événements spécifiques ou événements habituels?

$$\begin{array}{|l|l|l|l|l|l|l|l|l|l|l|l|l|} \hline & & & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\ \hline \text { A. événements spécifiques } & & \checkmark & & & & & & & & & & \\ \hline \text { B. événements habituels } & \checkmark & & & & & & & & & & & \\ \hline \end{array}$$

[Je m'arretais/Je me suis arrete] pres du lac ou des enfants

[jouaient/ont joue] dans l'eau.

If possible, evaluate the quantities in the following exercise. Check your answer with a calculator.

$$(-32)^{3 / 5}$$

Explain why 5% compounded continuously is better than 5% compounded monthly.

Dites ce que Djamal fait (is doing). Compl$\'e$tez chaque phrase avec l'heure correcte d'apr$\`e$s son agenda (according to his day planner).

Day planner: 9h35 Carrefour/ 11h50 Caf$\'e$ de la poste/ 13h05 Cin$\'e$ma/ 19h30 Teuf d’Am$\'e$lie.

Il est au cin$\'e$ma$\ldots$

-$\`a$ sept heures et demie. -$\`a$ midi moins dix. -$\`a$ une heure cinq. -$\`a$ dix heures moins vingt-cinq.

In the following sentences, eliminate any double negatives by crossing out incorrect words and writing the correct forms above them if necessary.

Example 1. I couldn’t see $\overset{\textit{\color{#c34632}{anyone}}}{\sout{\text{no one}}}$ around to help me.

She looked for graph paper everywhere in the house, but she didn’t find none.

What are all the values for $x$ such that $x^2<3 x+18 ?$ (A) $x<-3$ (B) $-3<x<6$ (C) $x>-3$ (D) $x<6$