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

The value of y varies directly with x.  Which function represents the relationship between x and y if y = 14 when x = 6. 

• y=20x
• y=84x
• y=7/3x
• y=3/7x

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

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

• y=8(15,000)^x
• y=15,000(1.08)^x
• y=15,000(0.92)^x
• y=15,000(0.08)^x

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

The graph shows a line of best fit for data collected on the value of used cards in relation to the number of  years since they were purchased.  What is the equation of the line of best fit?

• y = 750 x + 9500
• y = - 750 x +11000
• y = (3/4) x + 11
• y = - (3/4) x + 11000

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

What type of variation does this scenario represent?
The length of time you charge your cell phone
and the battery power 

• direct variation
• inverse variation
• joint variation
• none of these

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

Given f(x) = 2x and g(x) = x²+3 , find f(g(x)).

• x²+2x+3
• 4x²+3
• 2x²+3
• 2x²+6

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

The star pattern represents a sequence. 
Identify which statement is true.

• The 6th term will contain exactly 32 stars.
• The 8th term will contain exactly 14 stars.
• The 10th term will contain exactly 20 stars.
• The 8th term will contain exactly 23 stars.

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

What does 'b" represent in y = mx+b

• y-intercept
• rise
• x-intercept
• slope

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

Which of the following linear functions will have a rate of change of 2/3?

• A function whose graph is a line that contains (6,10) and (10, 12)

• A function whose equation is 3x - 2y = 12

• A function whose equation is 2x - 3y = 9

• A function whose graph has an x-intercept of (3,0) and a y-intercept of (0,2)

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

Write an equation for the absolute value function in the form y = a|x-h|+k, given the vertex is (-2, -2) and point (0, 4).

• y = -3|x+2|-2

• y = 3|x-2|+2

• y = 3|x+2|-2

• y = -3|x+2|+2

Tags

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