The answer to f(-3)= -3^2+1 is 10 !!
Answer:
The zeros of the function are x=-7 and x=2
Step-by-step explanation:
we have
we know that
The zeros or roots of the function are the values of x when the value of the function is equal to zero (also is called the x-intercepts)
so
For A(x)=0
Remember that
The <u><em>Zero Product Property</em></u> states that
if ab = 0, then either a = 0 or b = 0, or both a and b are 0
so
Let
---->
---->
therefore
The zeros of the function are x=-7 and x=2
Answer:
θ = 36.94°
Step-by-step explanation:
Brewster's law for polarization states that; tan(θ_p) = n2/n1
Where ;
θ_p is the polarizing angle
n1 is the index of refraction of first material
n2 is the index of refraction of second material
Now, our first material here is air while second material is water.
Index of refraction of water = 1.33 while index of refraction of air is 1
Thus,
tan(θ_p) = n2/n1 = 1.33/1
tan(θ_p) = 1.33
(θ_p) = tan^(-1)1.33
(θ_p) = 53.06°
Now, polarizing angle is the angle of incidence for which all the reflected light is polarized and it's above the vertical. Thus to get the angle to the horizontal, it will be;
θ = 90° - (θ_p) = 90° - 53.06° = 36.94°
Answer:
You graph in the middle of the box
Step-by-step explanation:
go up 8 and to the right of box half way in the middle