Portumbuhan sebuah dana adalah mengikut fungsi pengumpulan berikut A(t)=2t2+4t+70 untuk 0t2, di mana t ialah...

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Portumbuhan sebuah dana adalah mengikut fungsi pengumpulan berikut A(t)=2t2+4t+70 untuk 0t2, di mana t ialah masa dalam unit tahun. A fund's growth follows the following accumulation function A(t)=2t2+4t+70 for 0t2, where t is time in years. (a) John melabur RM 500 pada t=1, apakah nilai pelaburannya pada t=2? John invests RM 500 at t=1, what is the value of his investment ot t=2 ? (2 markahimark) (b) Cari daya faedah pada masa t=0.5. Find the force of interest at time t=0.5. (2 markahimarks) (c) Cari kadar diskaun berkesan pada tahun pertama. 0.0828 Find the effective discount rate in the first year. (d) Cari kadar faedah berkesan tahunan sepanjang tempoh 2 tahun pertama, Find the annual effectivo interest rate over the first 2-year poriod. (2 markah/marks) Portumbuhan sebuah dana adalah mengikut fungsi pengumpulan berikut A(t)=2t2+4t+70 untuk 0t2, di mana t ialah masa dalam unit tahun. A fund's growth follows the following accumulation function A(t)=2t2+4t+70 for 0t2, where t is time in years. (a) John melabur RM 500 pada t=1, apakah nilai pelaburannya pada t=2? John invests RM 500 at t=1, what is the value of his investment ot t=2 ? (2 markahimark) (b) Cari daya faedah pada masa t=0.5. Find the force of interest at time t=0.5. (2 markahimarks) (c) Cari kadar diskaun berkesan pada tahun pertama. 0.0828 Find the effective discount rate in the first year. (d) Cari kadar faedah berkesan tahunan sepanjang tempoh 2 tahun pertama, Find the annual effectivo interest rate over the first 2-year poriod. (2 markah/marks)

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