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Popular Functions >

range of 4x^2+7

Solution

range

Solution

f (x) \geq 7

+1

Interval Notation

Solution steps

Vertex of

4 x^{2} + 7 :

Minimum

(0, 7)

For a parabola

a x^{2} + b x + c

with Vertex

(x_{v}, y_{v})

If

a < 0

the range is

f (x) \leq y_{v}

If

a > 0

the range is

f (x) \geq y_{v}

a = 4,

Vertex

(x_{v}, y_{v}) = (0, 7)

f (x) \geq 7

Graph

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Frequently Asked Questions (FAQ)

What is the range of 4x^2+7 ?
The range of 4x^2+7 is f(x)>= 7