Question

What is the range of y=3x^2+18x+5

Answer 1

Answer:

y

=

3

x

2

−

18

x

+

15

Locate the vertex of the parabola.

Tap for more steps...

(

3

,

−

4

)

The range of a parabola that opens up starts at its vertex

(

3

,

−

4

)

and extends to infinity.

Interval Notation:

[

−

4

,

∞

)

Set-Builder Notation:

{

y

|

y

≥

−

4

}