TEKS.MATH.9-12.VII.C.1

find g(2):
g(x) = 5 - 3x

• -11
• -1
• 1
• 11

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TEKS.MATH.9-12.VII.C.1

Find the equation of the line with a slope of 3/4 and passes through (4, -2).

• y = 4x - 2
• y = 3/4x - 2
• y = 3/4x + 1
• y = 3/4x - 5

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TEKS.MATH.9-12.VII.C.1

A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. What is the constant of variation?

• k = 123
• k = 20
• k = 6.15
• k = 0.16

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TEKS.MATH.9-12.VII.C.1

Which scatterplot most likely has a line of best fit represented by y = - 2x + 1

• W
• X
• Y
• Z

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TEKS.MATH.9-12.VII.C.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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TEKS.MATH.9-12.VII.C.1

A liquid is evaporating. The amount of a liquid remaining, in liters, after x weeks is modeled by the equation y = 100(0.78)^x.  Approximately what percent of the liquid evaporates per week?

• 22%
• 47%
• 53%
• 78%

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TEKS.MATH.9-12.VII.C.1

TEKS.MATH.9-12.VII.B

Use synthetic division to determine f(-3), if
f(x)= (3x³ -5x² -4x +1).

• -25
• 25
• 113
• -113

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TEKS.MATH.9-12.VII.C.1

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours

• 35 hours

• 45 hours

• 15 hours

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TEKS.MATH.9-12.VII.C.1

What is f(-8) for the function f?

• -56
• -88
• -176
• -352

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TEKS.MATH.9-12.VII.C.1

Find the 8th term of a geometric sequence for which a1=2 and r = 7?

• 823,543

• 11,529,602

• 1,647,086

• 5,764,801

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TEKS.MATH.9-12.VII.C.1