How do you find domain and range for #y=3x^2#?

Answer 1

Domain = #RR#
Range = #[0,oo)#

Given that this is a second-degree quadratic function, its graph is implied to be a parabola, with the arms pointing upward and the axis of symmetry at x=0 and the y-intercept at 0.

Therefore the domain is all real values for x, ie #RR=(-oo,oo)#
The range is all y values greater than or equal to zero, ie #y in[0,oo)#
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Answer 2

The domain of the function y = 3x^2 is all real numbers, denoted by (-∞, ∞). The range of the function is all real numbers greater than or equal to zero, denoted by [0, ∞).

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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