f(x)=2/7x-2 domain and range

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Finite Math

Find the Domain and Range f(x)=3x^2-7x+2

f(x)=3x2−7x+2f(x)=3x2-7x+2

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expressionundefined.

(−∞,∞)(-∞,∞)

{x|x∈R}{x|x∈ℝ}

Locate the vertex of the parabola.

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(76,−2512)(76,-2512)

The range of a parabola that opens up starts at its vertex (76,−2512)(76,-2512) and extends to infinity.

[−2512,∞)[-2512,∞)

{y∣∣∣y≥−2512}{y|y≥-2512}

Determine the domain and range.

Domain: (−∞,∞),{x|x∈R}(-∞,∞),{x|x∈ℝ} for any integer nn

Range: [−2512,∞),{y∣∣∣y≥−2512}[-2512,∞),{y|y≥-2512}