TEKS.MATH.9-12.VII.B

Find the domain and range of:
f(x) = ln(x)

• D: all real numbers
  R: y > 0
• Domain: all real numbers
  Range: all real numbers
• Domain: x > 0
  Range: all real numbers
• Domain: all real numbers
  Range: y < 0

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TEKS.MATH.9-12.VII.B

What is the slope in the equation:  y=4x+3

• 3
• 4x
• 4
• x

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TEKS.MATH.9-12.VII.B

What is b, the common ratio, for the function: f(x) = 300(1.16)^x?

• 300
• 1.16
• .16
• x

Tags

TEKS.MATH.9-12.VII.B

For a function that is strictly increasing, a right hand Riemann Sum is which of the following:

• Overestimate
• Underestimate
• Unable to Determine
• Exact Solution

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TEKS.MATH.9-12.VII.B

What is the domain of the function?

• (3, ∞)
• [-3, ∞)
• (-∞, 4]
• (-∞, 4)

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TEKS.MATH.9-12.VII.B

The parabola y = x² - 2x + 4 will have a vertex of

• (-1, 2)

• (1, 2)

• (-1, 3)

• (1, 3)

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TEKS.MATH.9-12.VII.B

Where is the function positive and where is it negative?

• positive (-∞,3) and negative (3,∞)

• positive nowhere and negative (-∞,∞)

• positive (0,1) and negative (3,0)

• positive (0,3) and negative (-1,0)

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TEKS.MATH.9-12.VII.B

What is the decreasing interval(s) on the function shown?

• $\left(-7,\ -6\right)\ and\ \left(-2,\ 4\right)$

• $\left(-7,\ 0\right)\ and\ \left(-2,\ 4\right)$

• $\left(-7,\ -6\right)\ and\ \left(-2,\ 0\right)$

• $\left(-7,\ 0\right)\ and\ \left(4,\ 5\right)$

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TEKS.MATH.9-12.VII.B

If the blue is f(x)=x^2, then the red must be

• g(x)=x² - 5

• g(x)=x² + 5

• g(x)=(x - 5)²

• g(x)=(x + 5)²

Tags

TEKS.MATH.9-12.VII.B

Determine which functions model exponential decay.

• $g\left(x\right)=3\cdot2^x$

• $k\left(x\right)=\left(\frac{1}{3}\right)^x$

• $m\left(x\right)=3\cdot\left(\frac{2}{3}\right)^x$

• $p\left(x\right)=4x^2+5x-9$

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TEKS.MATH.9-12.VII.B