3-TK1.doc - Tugas Kelompok ke-1 Week 3 Sesi 4 1 Diketahui...

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Tugas Kelompok ke-1 Week 3, Sesi 4 1. Diketahui fungsi permintaan dan penawaran adala sebagai berikut Pd = 81 – Q 2 dan Ps = 25 + Q 2 a. Tentukan harga dan kuantitas pada saat keseimbangan pasar! b. Gambarkan kurva permintaan, penawaran dan keseimbangan pasar! 2. Fungsi permintaan suatu perusahaan adalah Q = 40 – 0,5P Dimana P adalah harga (dalam Rp) dan Q adalah jumlah barang yang diminta (unit). a. Tentukan jumlah barang dan harga yang harus dihasilkan oleh perusahan agar penerimaan total perusahaan maksimum! b. Tentukan penerimaan total perusahaan! c. Gambarkan kurva penerimaan total tersebut! Jawaban: 1. Diketahui: Pd = 81 – Q 2 Ps = 25 + Q 2 Ditanya: a. Harga (P) dan Kuantitas (Q) barang pada saat keseimbangan pasar Jawab: Pada saat keseimbangan pasar, jumlah barang yang diminta sama dengan jumlah barang yang ditawarkan (Qd = Qs) pada tingkat harga yang sama juga (Pd = Ps). Pd = Ps 81 – Q 2 = 25 + Q 2 81 – 25 = 2Q 2 Q 2 = 56/2 Q = 5,29/ 5,3 Ambil salah satu persamaan untuk mencari P P = 81 – Q2 P = 81 – 28 P = 53 Kesimpulan:
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