CCSS.Math.Content.HSF.IF.A.1

Find the domain and range of:
f(x) = log₂(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

Tags

CCSS.Math.Content.HSF.IF.A.1

If (y=2x+6) is a function. What is the output value when the input value is 2. 

• 12
• -2
• 10
• 21

Tags

CCSS.Math.Content.HSF.IF.A.1

What is the range of the function in this graph?

• y ≤ 3
• y ≥ 3
• y ≤ 0
• y ≥ 0

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CCSS.Math.Content.HSF.IF.A.1

The elements of f(x) are (-7, 3), (-1, 6) and (8, -3). What is the range of the function?

• {-7, -1, -8}
• {-3, 6}
• {-3, 3, 6}
• All real numbers

Tags

CCSS.Math.Content.HSF.IF.A.1

What is the domain restriction of the blue piece of this function?

• x > 0
• x ≥ 0
• x > 2
• x ≥ 2

Tags

CCSS.Math.Content.HSF.IF.A.1

Evaluate f(x)=-2x+13   for f(10)

• -7
• 1
• -8
• 7

Tags

CCSS.Math.Content.HSF.IF.A.1

If f(x) = 2x² + 5x - 3, evaluate f(-1).

• f(-1) = -6

• f(-1) = 1

• f(-1) = -10

• f(-1) = -1

Tags

CCSS.Math.Content.HSF.IF.A.1

What is the domain of the graph?

• x ≥ -6

• -7 ≤ x ≤ 3

• -8 ≤ x ≤ 4

• x ≤ -6

• All real numbers

Tags

CCSS.Math.Content.HSF.IF.A.1

Given f(x) = 3x + 10
and g(x) = x - 2
Find f(g(5))

• 19
• 23
• -10
• None of these.

Tags

CCSS.Math.Content.HSF.IF.A.1

f(x) = 3x + 10
g(x) = x - 2
Find g(f(-10))

• -42
• -26
• -18
• None of these.

Tags

CCSS.Math.Content.HSF.IF.A.1