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I really need help on this, please! Thanks appreciate thanks

I Really Need Help On This Please Thanks Appreciate Thanks class=
I Really Need Help On This Please Thanks Appreciate Thanks class=

Sagot :

Answer:

4. y-intercept = -9, answer option a

3. roots are x = 4 and -6, answer option a

Step-by-step explanation:

4. definition of y-intercept: where the function intersects the y-axis

this occurs where the x-coordinate = 0

that means the y-intercept = -9, given in the table

3. roots are zeroes of the function, where it intersects the x-axis

to find, set the function = 0

0 = -3(x-4)(x+6)

the values of x that make this equal to zero can be found by setting

x-4 = 0

and

x+6 = 0

so x = 4 and -6

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