Which of the following possible rational roots is a root of the function f(x)=x^3-3x^2+5x-15? * 5 points
-3
-1
1
3

Given:

The function is

To find:

The root of the function from the given possible roots.

Solution:

We have,

At x=-3,

At x=-1,

At x=1,

At x=3,

Since, the value of given function is 0 at only x=3, therefore 3 is a root of given function.

Hence, the correct option is D.

question 1 is 8, question 2 is 9, question 3 is 24

step-by-step explanation:

now, the numbers they give you at the top are the key. from there, you just have to plug and chug! let's try 1, 2, and 3!

key: a=3, b=5, c=6

1. a+5

remember, a=3, so we plug that in to get 3+5=8

2. 15-c

c=6, so we plug that in to get 15-6=9

3. 4b

b=6, so we plug it in to get 4*6=24

time to try the rest on your own! if you put the answers below in a comment, i'll check them for you!

can i see the following ?

step-by-step explanation: