Answer:
The coordinates of the point b are:
b(x₂, y₂) = (-5, -1)
Step-by-step explanation:
Given
As m is the midpoint, so
m(x, y) = m (-7, -2.5)
The other point a is given by
a(x₁, y₁) = a(-9, -4)
To determine
We need to determine the coordinates of the point b
= ?
Using the midpoint formula

substituting (x, y) = (-7, -2.5), (x₁, y₁) = (-9, -4)

Thus equvating,
Determining the x-coordinate of b
[x₂ + (-9)] / 2 = -7
x₂ + (-9) = -14
x₂ - 9 = -14
adding 9 to both sides
x₂ - 9 + 9 = -14 + 9
x₂ = -5
Determining the y-coordinate of b
[y₂ + (-4)] / 2 = -2.5
y₂ + (-4) = -2.5(2)
y₂ - 4 = -5
adding 4 to both sides
y₂ - 4 + 4 = -5 + 4
y₂ = -1
Therefore, the coordinates of the point b are:
b(x₂, y₂) = (-5, -1)
Replace x with -4 so it would be:
f(-4)= 2(-4)=-8
-8 is your answer
<h3>Part A</h3>
<u>Car 1</u>
- 26000 - 32000 = 32000 - 38000 = -6000
- Since the difference is common this is a linear function
<u>Car 2</u>
- 32300/38000 = 27465/32300 = 0.85
- Since the ratio is common this is an exponential function
<h3>Part B</h3>
<u>Car 1</u>
<u>Car 2</u>
<h3>Part C</h3>
Find V(6) for both cars and compare
<u>Car 1</u>
- V(6) = 38000 - 6*6000 = 2000
<u>Car 2</u>
- V(6) = 38000*0.85⁶ = 14331.68
As we see the difference is significant and car 2 has much greater value
Answer:
B) curve
Step-by-step explanation: