Midterm Review

What number could be placed in the box to make the statement below true? The range of the function below is y ≥ [_____].

Mathematical Equivalence

ON

What appears to be the range of the function of x shown?

• All real numbers

• All real numbers greater than or equal to 0

• All real numbers greater than or equal to 0 and less than or equal to 7

• All real numbers greater than or equal to -2 and less than or equal to 4

Which equation represents a vertical line passing through (4, -7)?

• x = -7

• y = -7

• x = 4

• y = 4

Which is an equation for the line that has a y-intercept of 3 and has an x-intercept of 3?

• y = 3x + 3

• y = 1/3x + 3

• y = -3x + 3

• y = -x + 3

• y = x + 3

Which graph best represents 2x - 4y = 8?

• Option A

• Option B

• Option C

• Option D

What is the slope of the line represented by the equation 8 - 3x = 4y?

Write your answer as a ratio in the form a/b.

Mathematical Equivalence

ON

What is the range of the relation?

• {-2, 1, 3}

• {-2, 1, 3, 4}

• {y | -2 ≤ y ≤ 3}

• {{x | -2 ≤ x ≤ 4}

Which relation is a function?

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Which graph apparently represents a function of x ?

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If f(x) = 2x² – 6x,

what is the value of f(3)?

Mathematical Equivalence

ON