TEKS.MATH.9-12.VII.B

Is the given table a direct or inverse variation? What is the constant of variation?

• Direct, 12
• Inverse, 12
• Direct, 1/12
• Inverse, 1/12

Tags

TEKS.MATH.9-12.VII.B

TEKS.MATH.9-12.VII.A

Write a rule for the following table:
x:      -2     -1     0     1     2     3
-------------------------------
y:       -3     0      3     6     9     12

• y = 3x -1
• y = 3 + 3x
• y = -3x -2
• y = x + 3

Tags

TEKS.MATH.9-12.VII.B

What is the range of the function? 

• y ≤ 2.5
• y > 2.5
• all real numbers

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TEKS.MATH.9-12.VII.B

Where is the decreasing?

• ( −∞, −2.55) , (0, 2.55)
• (∞, −6.25) , (36, −6.25)
• (−∞, ∞)
• (−∞, 0)

Tags

TEKS.MATH.9-12.VII.B

What is the range of this function?
f(x) = -√(x+4) -1

• (-∞,-1]
• [-1,∞)
• [-4,∞)
• (∞,-4]

Tags

TEKS.MATH.9-12.VII.B

What are the vertical asymptotes of the function f(x)=(x²-9)/(x²+6x+9)

• x=3

• x=-3

• x=3,-3

• no vertical asymptote

Tags

TEKS.MATH.9-12.VII.B

Over what intervals is f(x) decreasing?

• (-∞, -1) ∪ (1, ∞)
• (-∞, -√3) ∪ (0, √3)
• (-1, 1)
• (-√3, 0) ∪ (√3, ∞)

Tags

TEKS.MATH.9-12.VII.B

Are the relations inverses?

• yes

• no

Tags

TEKS.MATH.9-12.VII.B

If s(t) represents the velocity graph, when is the object moving to the left?

• (0, 3) U (8, 12)

• (0, 7) ∪ (10, 12)

• (0, 6) ∪ (10, 12)

• (3, 8)

Tags

TEKS.MATH.9-12.VII.B

What is the 11th term of the geometric sequence?

• -5120
• 97,656,250
• 19,531,250
• -19,531,250

Tags

TEKS.MATH.9-12.VII.B