Answer:
i think the answer would be -8n-65
Step-by-step explanation:
its subtracting by 8 so it would be -65,-57.-49...........................
Given the radius of the inscribed circle, the length of any side of the octagon (and any other polygon) is given by;
Side = 2r* tan (180/n) where r=radius and n=number of sides.
For octagon, n= 8 and radius is given by , r= 7/2 = 3.5 ft
Therefore,
Side = 2*3.5*tan (180/8) 2.8995 ft =2.9 ft.
The correct answer is A.
<span>The correct answer is that it is a function because every Celsius temperature is associated with only one Fahrenheit temperature.
Explanation:
In this equation, degrees Celsius (c) is the independent variable and degrees Fahrenheit (f) is the dependent variable. This means all of our values of c will be the domain and our values of f will be the range. The definition of a function is a relation in which each element of the domain is mapped to only one element of the range; this means each Celsius temperature must be associated with only one Fahrenheit temperature. This is true, so this is a function.</span>
We can look at the graph
Vertex:
we know that vertex is the point where parabola changes it's shape
we can see that
vertex is at (0.5,-0.75)
Axis of symmetry:
we know that axis of symmetry of parabola is always x-value of vertex
we can see that
x-value of vertex is 0.5
so, axis of symmetry is
Formula for the function:
we know that this is graph of parabolas
so, we can use vertex formula of parabola
where
(h,k) is vertex
Here , we got
vertex as (0.5 , -0.75)
h=0.5 and k=-0.75
now, we can plug these values
now, we need to find 'a'
we can select any one point of parabola
and then we can find 'a'
We can see that one of point is (0,-1)
so, we can plug x=0 and y=-1
now, we can plug it back
and we get
now, we can expand it
so, option-D..........Answer
