Determining the Rule for a Function From Its Graph (VCE SSCE Mathematical Methods): Quizzes

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Determining the Rule for a Function From Its Graph
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10 questions from this quiz

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What does determining the rule of a function mean?

Finding equation from visual graph

How many equations do you need to find 3 unknown parameters?

3 equations

In y=ax+by = \frac{a}{x} + b, the horizontal asymptote is at y=y = ?

bb

In y=axh+by = a\sqrt{x - h} + b, what does parameter aa affect?

Vertical stretch or compression

In y=axh+by = a\sqrt{x - h} + b, what does parameter hh represent?

Horizontal shift

In y=axh+by = a\sqrt{x - h} + b, what does parameter bb represent?

Vertical shift

What is the first step in determining a function's rule?

Identify general form based on curve type

Points (1,5)(1, 5) and (4,2)(4, 2) on y=ax+by = \frac{a}{x} + b give a=a = ?

44

Points (2,1)(2, 1), (10,6)(10, 6) on y=ax1+by = a\sqrt{x - 1} + b give b=b = ?

32-\frac{3}{2}

For y=axy = a\sqrt{x}, how many points (other than origin) find aa?

1 point

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