TEKS.MATH.9-12.VII.C.2

Create the explicit formula for the sequence:
2, 8, 14, ...
(Hint:  Write your formula and then simplify it.)

• a_n=2+6n
• a_n=-6+6n
• a_n=6n-4
• a_n=4-6n

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TEKS.MATH.9-12.VII.C.2

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the decay factor?

• ^.08
• ^1.08
• .92
• 8

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TEKS.MATH.9-12.VII.C.2

In 1985, there were 285 cell phone subscribers in the small town of Centerville. The number of subscribers increased by 75% per year after 1985. How many cell phone subscribers were in Centerville in 1994?

• OVERFLOW
• 1994
• 1000
• 43871

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TEKS.MATH.9-12.VII.C.2

P = 26,000 | Rate = 2.4% | 4 years | Compounded Continuously | Amount owed???

• $2,496
• $28,496
• $3,406,924
• $28,619.74

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TEKS.MATH.9-12.VII.C.2

You have inherited land that was purchased for $30,000 in 1990. The value of the land increased by approximately 5% per year. What is the approximate value of the land in the year 2011?

• $83,579
• $10,217
• $14,963,655
• $28,500

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TEKS.MATH.9-12.VII.C.2

The sequence below shows the amount of bacteria that occurs after each hour:   2, 6, 18, 54, 162 Which formula can be used to determine the amount of bacteria in the next hour, NEXT, if the number of NOW bacteria is known?

• NEXT = NOW ⋅ 3
• NEXT = NOW ⋅ ⅓
• NEXT = 3 ⋅ NOW + 2
• NEXT = NOW ÷ 3

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TEKS.MATH.9-12.VII.C.2

If you are opening a savings account, is it better to have interest compounded daily or quarterly at 7%?

• Daily - so you earn money more often
• Quarterly - so you earn money less often
• who knows
• I need to consult my financial analyst

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TEKS.MATH.9-12.VII.C.2

A particular type of cell triples in number every hour. Which function can be used to find the number of cells present at the end of h hours if there are initially 6 of these cells?

• f(h) = 3(6)^h

• f(h) = 6x^h

• f(h) = 6(3)^h

• f(h) = 3(6h)

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TEKS.MATH.9-12.VII.C.2

Charlie shoots a basketball from a height of 6 feet with an initial upward velocity of 18 feet per second. How long will it take the ball to hit the floor if it doesn't hit the basket?

• 1.39 seconds

• 0.6 seconds

• 6 second

• 11 seconds

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TEKS.MATH.9-12.VII.C.2

Write a polynomial function with rational coefficients that has zeros - 4 and 5i.

• P(x) = x³ + 4x² + 25x + 100

• P(x) = 5x³ - 4x² + 25x + 100

• P(x) = x³ + x² - 25x + 100

• P(x) = 4x² + 5

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TEKS.MATH.9-12.VII.C.2