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Popular Functions >

range of 7x^2+14x

Solution

range

Solution

f (x) \geq - 7

+1

Interval Notation

Solution steps

Vertex of

7 x^{2} + 14 x :

Minimum

(- 1, - 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 = 7,

Vertex

(x_{v}, y_{v}) = (- 1, - 7)

f (x) \geq - 7

Graph

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Frequently Asked Questions (FAQ)

What is the range of 7x^2+14x ?
The range of 7x^2+14x is f(x)>=-7