Help it's timed.

A function g(x) has x-intercepts at (StartFraction 1 Over 2 EndFraction, 0) and (6, 0). Which could be g(x)?


g(x) = 2(x + 1)(x + 6)

g(x) = (x – 6)(2x – 1)

g(x) = 2(x – 2)(x – 6)

g(x) = (x + 6)(x + 2)

Respuesta :

Answer:

Option 2.

Step-by-step explanation:

We need to find a function g(x) which has x-intercepts at (1/2,0) and (6,0).

To find the x-intercepts substitute g(x)=0 in function.

For option 1,

[tex]2(x + 1)(x + 6)=0[/tex]

Using zero product property we get

[tex](x + 1)=0[/tex] and [tex](x + 6)=0[/tex]

[tex]x=-1[/tex] and [tex]x=-6[/tex]

Therefore the x-intercepts of this function at (-1,0) and (-6,0).

For option 2,

[tex](x-6)(2x-1)=0[/tex]

Using zero product property we get

[tex]x-6=0[/tex] and [tex]2x-1=0[/tex]

[tex]x=6[/tex] and [tex]x=\frac{1}{2}[/tex]

Therefore the x-intercepts of this function at (1/2,0) and (6,0).

For option 3,

[tex]2(x-2)(x-6)=0[/tex]

Using zero product property we get

[tex](x -2)=0[/tex] and [tex](x -6)=0[/tex]

[tex]x=2[/tex] and [tex]x=6[/tex]

Therefore the x-intercepts of this function at (2,0) and (6,0).

For option 4,

[tex](x + 6)(x + 2)=0[/tex]

Using zero product property we get

[tex](x +6)=0[/tex] and [tex](x +2)=0[/tex]

[tex]x=-6[/tex] and [tex]x=-2[/tex]

Therefore the x-intercepts of this function at (-2,0) and (-6,0).

Therefore, the correct option is 2.

Answer:

The answer is b.

Step-by-step explanation:

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