On considère les fonctions Mathplace quicklatex.com-01c9bfbd63c15e710ed9bdd3694581cd_l3 Exercice 5  et Mathplace quicklatex.com-f87fdaff71b8bc3913ae3f27c24b34c5_l3 Exercice 5  définies par :

    Mathplace quicklatex.com-55c0b2265de6dbec32315b3ea1098bf0_l3 Exercice 5

 

Léa souhaite étudier les fonctions Mathplace quicklatex.com-01c9bfbd63c15e710ed9bdd3694581cd_l3 Exercice 5  et Mathplace quicklatex.com-f87fdaff71b8bc3913ae3f27c24b34c5_l3 Exercice 5  à l’aide d’un tableur. Elle a donc rempli les formules qu’elle a ensuite étirées pour obtenir le calcul de toutes les valeurs.

Voici une capture d’écran de son travail :

B3 =B1*B1+4*B1-5
A B C D E F G H
1 Mathplace quicklatex.com-3b8affa7af0b01fd56bf3b3eed5f262f_l3 Exercice 5  Mathplace quicklatex.com-a04152a9f86592d1da04203ee33a0995_l3 Exercice 5  Mathplace quicklatex.com-bbcbf101b82e08dbb8b052269640f2cb_l3 Exercice 5  Mathplace quicklatex.com-8c30e303499c27c18b348a2290c6fe6b_l3 Exercice 5  Mathplace quicklatex.com-13b958b1db6028408d92b27dabde6f31_l3 Exercice 5  Mathplace quicklatex.com-2d70fbbeab864d4b5bb1e63100a882f9_l3 Exercice 5  Mathplace quicklatex.com-d37f3197634f18036a476eb127c27315_l3 Exercice 5  Mathplace quicklatex.com-9ae0b1ba308d3d984a581b616108c5f7_l3 Exercice 5
2 Mathplace quicklatex.com-73381617885728060cb9ef28648a1b01_l3 Exercice 5  Mathplace quicklatex.com-118190f6044be384a90a4a835b358c7d_l3 Exercice 5  Mathplace quicklatex.com-a04152a9f86592d1da04203ee33a0995_l3 Exercice 5  Mathplace quicklatex.com-8c30e303499c27c18b348a2290c6fe6b_l3 Exercice 5  Mathplace quicklatex.com-2d70fbbeab864d4b5bb1e63100a882f9_l3 Exercice 5  Mathplace quicklatex.com-9ae0b1ba308d3d984a581b616108c5f7_l3 Exercice 5  Mathplace quicklatex.com-6e19d1fb79b0bae712c748d3614a5844_l3 Exercice 5  Mathplace quicklatex.com-faa01e4c7e5e9849f3743c9d65b2e479_l3 Exercice 5
3 Mathplace quicklatex.com-a7b35427d9648bc18baa8fafa17482fe_l3 Exercice 5  Mathplace quicklatex.com-707119b85701d1f6587011fbc8d84115_l3 Exercice 5  Mathplace quicklatex.com-707119b85701d1f6587011fbc8d84115_l3 Exercice 5  Mathplace quicklatex.com-118190f6044be384a90a4a835b358c7d_l3 Exercice 5  Mathplace quicklatex.com-13b958b1db6028408d92b27dabde6f31_l3 Exercice 5  Mathplace quicklatex.com-faa01e4c7e5e9849f3743c9d65b2e479_l3 Exercice 5  Mathplace quicklatex.com-8bff64bac037186e8860995dbdb8711f_l3 Exercice 5
4