Mr. Jones places money into two separate investment accounts. The function f(x) = 2,500(1.078)x models the value of account 1 after x years. The table represents the value of account 2 after x years. Number of Years, x 0 3 4 6 Value, y $2,500 $3,400 $3,700 $4,300 During what year does the value of account 1 exceed the value of account 2?
Question
Answer:
account 1 : y = 2500(1.078)xaccount 2 : y = 2500 + 300x
after the second year a1 exceeds a2
after 2 years, a1 = 5390
after 2 years , a2 = 3100
solved
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11 months ago
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