Find a polynomial function that has the given zeros. (There are many correct answers.)
−4, 6

If polynomial function vanishes at

x

=

a

, then

(

x

−

a

)

must be one of its factors.

Thus

(

x

−

7

)

,

(

x

−

4

−

√

6

)

and

(

x

−

4

+

√

6

)

are factors of the required polynomial.

The simplest polynomial that satisfies this is

(

x

−

7

)

(

x

−

4

−

√

6

)

(

x

−

4

+

√

6

)

=

(

x

−

7

)

{

(

x

−

4

)

−

√

6

}

{

(

x

−

4

)

+

√

6

}

=

(

x

−

7

)

{

(

x

−

4

)

2

−

6

}

=

(

x

−

7

)

(

x

2

−

8

x

+

16

−

6

)

=

(

x

−

7

)

(

x

2

−

8

x

+

10

)

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.

t= half of the arc subtended by t.

r= half of the arc subtended by r.  

t+r= half of the arc subtended by t + half of the arc subtended by r= half of 360=180

step-by-step explanation: