Linear, Quadratic and Cubic Functions (HSC SSCE Mathematics Advanced): Quizzes

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Linear, Quadratic and Cubic Functions
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What is the domain of a function?

Set of all possible xx-values

In g(x)=f(x−a)+bg(x) = f(x - a) + b, what does a>0a > 0 indicate?

Horizontal shift right

How is a quadratic reflected over the xx-axis?

g(x)=−f(x)g(x) = -f(x)

For dilation g(x)=lf(x)g(x) = lf(x), when does the graph stretch?

When ∣l∣>1|l| > 1

In y=a(x−h)2+ky = a(x - h)^2 + k, what does (h,k)(h, k) represent?

The vertex

If a=−2a = -2 in g(x)=−2(x−1)2+3g(x) = -2(x - 1)^2 + 3, which is true?

Parabola opens downward with maximum

What order should combined transformations be applied?

Dilation/reflection first, then translation

How should the yy-intercept always be calculated?

By substituting x=0x = 0

What effect does translation have on a linear function's slope?

No effect - slope stays the same

Where is the stationary point after vertical dilation of f(x)=x3f(x) = x^3?

At the origin (0,0)(0, 0)

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