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Which situation is best represented by the
function f(x), where f(x) = 12x + 5?

• An office-supply store sells x boxes of
  ballpoint pens that contain a dozen pens
  per box for $5 each.
• An Olympic swimmer trains by
  swimming 12 kilometers on each of x
  weekdays and 5 kilometers on each day
  of the weekend.
• An algebra quiz has x problems worth
  12 points each plus 5 extra-credit
  problems worth 5 points each.
• A company sells x baseball caps for $12
  each and charges a $5 shipping fee.

• y≥x−1
• y≤x−1
• y>x−1
• y≤x+1

What is the slope a horizontal line?

• -1
• undefined
• 1
• 0

Give the solution to the system

• (3,1)
• (1,3)
• (-1,3)
• a hoppy hippo

• Function
• Not a Function

Simplify the exponential expression.

• 2x⁶y¹²
• 2x⁵y⁷
• 8x⁶y¹²
• 8x⁵y⁷

Which equation matches the graph?

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

If f(x)=3x-9, find f(5).

• f(5) = 6
• f(5) = 16
• f(5) = -4
• f(5) = 24

Find the product. 
(m-8)(m-9)

• m²+17m-72
• m²-17m-72
• m²-17m+72
• m²-72

_{What is the y-intercept of the line?}

• y = 1/2
• y = 1
• y = -1/2
• y = -1