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Mathematics, 19.03.2020 07:56 babyraerae06

1. . Observe o polígono [ABCD] representado na figura. Sabe-se que os vértices A, B,C e D têm coordenadas, respetivamente, (0,4), (7,2), (6,6) e (2,8).

a) Escreva a equação da reta que contém o lado [AD] do polígono [ABCD].

b) Considere a função L, função objetivo, definida por L=2x+3.

Indique o mínimo e o máximo da função L considerando os vértices da região do plano correspondente ao polígono e as coordenadas do pontos

2. Uma indústria têxtil confeciona dois tipos de toalhas com bordado em dois tamanhos: médio e grande.

Cada toalha do tamanho médio gasta 2 metros de tecido e 0,5 metros de bordado e cada toalha de tamanho grande gasta 3 metros de tecido e 1,5 metros de bordado.

O custo de cada toalha é de 70 euros e 120 euros, tamanho médio e tamanho grande, respetivamente.

Quantas toalhas de cada tipo devem ser confecionadas para se obter o máximo rendimento, sabendo que há em stock 125 metros de tecido e 50 metros de bordado

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1. . Observe o polígono [ABCD] representado na figura. Sabe-se que os vértices A, B,C e D têm coorde...
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