CCSS.Math.Content.HSF.BF.A.1

What is the equation of the following table

• y = 7(2)^x
• y = 4(2)^x
• y = 4x + 7
• y = 2x + 4

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CCSS.Math.Content.HSF.BF.A.1

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

• y=6(0.14)^x
• y=6(1+14)^x
• y=6(1.14)^x
• y=6(0.86)^x

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CCSS.Math.Content.HSF.BF.A.1

Which of these represents slope-intercept form?

• y - y₁ = m(x-x₁)
• Ax + By = C
• y = mx + b

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CCSS.Math.Content.HSF.BF.A.1

A 78 gram sample of Uranium loses half of its mass each year.  What is the exponential equation? 

• y=78(0.5)^x
• y=78(1.5)^x
• y=78(2)^x

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CCSS.Math.Content.HSF.BF.A.1

Write a function to represent the sequence:
 -12, -11.75, -11.5, -11.25…?

• f(n) = 0.25n - 12
• f(n) = -0.25(n - 1) - 12
• f(n) = 0.25n - 12.25
• f(n) = 12(n -1) - 0.25

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CCSS.Math.Content.HSF.BF.A.1

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

• y = 1.5x + 12
• y = 12x + 1.5
• y = 0.67x - 8
• y = -8x + 0.67

Tags

CCSS.Math.Content.HSF.BF.A.1

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x
• y = 15(1.35)^x
• y = 15(0.35)^x
• y = 35(1.15)^x

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CCSS.Math.Content.HSF.BF.A.1

Write a formula for the following sequence:

2, 8, 14, ...

• a_n = 2 + 6n

• a_n = - 6 + 6n

• a_n = 6n - 4

• a_n = 4 - 6n

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CCSS.Math.Content.HSF.BF.A.1

A particular type of cell doubles 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 4 of these cells?

• n= 4(1/2)^h

• n= 4(2)^h

• n= 4+ (2)^h

• n= 4 + (1/2)^h

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CCSS.Math.Content.HSF.BF.A.1

The function y = 24,220 (0.85)^x represents Mr. Bittle's investment in the stock exchange where x is measured in months.

Which statement is NOT true.

• Mr. Bittle loses 85% of his investment monthly

• Mr. Bittle initially invested $24,220

• Each month Mr. Bittle loses 15% of his investment

Tags

CCSS.Math.Content.HSF.BF.A.1