A cubic function of the y=ax^3+bx^2+cx+d

yields the following table:

a=-5

b=4

c=-1

d=0

Step-by-step explanation:

The given cubic equation is of the form;

When x=0 and y=0, we get:

when x=1 and y=-2, we get:

When x=2 and y=-26, we get:

When x=3 and y=-54, we get:

We need to solve the system:

From the top equation:

Put this expression into equation 2 and 3

also

Now we solve the system:

subtract the top equation from the down one to get:

This implies that:

and

answer: 1 + 1 = 11

step-by-step explanation:

step-by-step explanation:

this can be solved first with pythagorean theorem, which tells us to square both legs of the triangle and sum it. this will be equal to the square of the hypotenuse.

the hypotenuse is the side "opposite" the 90 degree angle, which is x.

so we can write using pythagorean theorem,

simplifying:

to further simplify this radical, we need to use the property  

thus