Answer:
5 Degrees
Step-by-step explanation:
In order to find the median, you must put the temperatures in ascending order. The median is the number in the middle.
This week
65 71 73 73 73 74 75
Last Week
51 62 66 68 72 72 85
The median of This week is 73 while the median last week is 68.
73-68=5 degrees
F(2)=1
f(2) means that 2 is being plugged in for x so look for the y value when x is 2
in this case y is 1 when x is 2
Answer:
y = 1/4x^2 - 4.
Step-by-step explanation:
Vertex for is:
y = a(x - 0)^2 - 4 where a is a constant.
The graph passes through ( -8, 12) so substituting:
12 = a(-8)^2 - 4
12 = 64a - 4
64a = 16
a = 16/64 = 1/4.
So the equation is y = 1/4x^2 - 4.
Answer:
The minimum value is 
or 
Step-by-step explanation:
we have
This is the equation a vertical parabola open upward
The vertex represent a minimum
The general equation in vertex form is
where
(h,k) is the vertex
Convert the given function in vertex form
Factor 2
Complete the square
Rewrite as perfect squares
The vertex is the point
