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1
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On January 1, a share of a certain stock cost $180. Each month thereafter, the
cost of a share of this stock decreased by one-third. If x represents the time, in
months, and y represents the cost of the stock, in dollars, which graph best represents the
cost of a share over the following 5 months?
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2
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The graph below represents the relationship of transported particle size to
water velocity? The graph best models which type of function? a) | linear | c) | logarithmic | b) | quadratic | d) | trigonometric |
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3
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The accompanying graph represents the value of a bond over time. Which type
of function does this graph best model? a) | trigonometric | c) | quadratic | b) | logarithmic | d) | exponential |
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4
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The shaded portion of the accompanying map indicates areas of night, and the
unshaded portion indicates areas of daylight at a particular moment in time. Which type of function best
represents the curve that divides the area of night from the area of daylight? a) | quadratic | c) | tangent | b) | cosine | d) | logarithmic |
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5
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Which type of function could be used to model the data shown in the accompanying
graph? a) | exponential | c) | trigonometric | b) | quadratic | d) | linear |
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6
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The family of curves shown in the accompanying graph illustrates the
transformations of a function.
Which type of function could be the original function? a) | linear | c) | exponential | b) | tangent | d) | sinusoidal |
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7
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The accompanying graph shows the average daily readership, in thousands, of the
newspaper “El Diario La Prensa.” Which type of function best represents this graph? a) | exponential | c) | trigonometric | b) | logarithmic | d) | quadratic |
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