The car will be worth after one year is £ 5753.6.
<h3>What is exponential function?</h3>
An exponential function is defined by the formula f(x) = 
, where the input variable x occurs as an exponent. The exponential curve depends on the exponential function and it depends on the value of the x.
The exponential function is an important mathematical function which is of the form
f(x) =
Where a > 0 and a is not equal to 1.
x is any real number.
Given
Car cost when bought A = £ 6200
Value of a car decreases by 7.2% each year.
n = 1
r = 7.2% or 0.072
The car will be worth after one year
⇒ 
⇒ 
⇒ y = £ 5753.6
Hence, the car will be worth after one year is £ 5753.6.
Learn more about exponential function here
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You made one? Oml.. You could of just texted me. It's B
Answer:
Step-by-step explanation:
if r is the radius of a hemisphere then
volume of hemisphere=(2/3)πr³
Annie and Bronwyn buy two rectangles of material.
The width is common and it is x+2.
The height of Annie's rectangle is x+3, the height of Bronwyn is 5.
Since the area of a rectangle is the product of width and height, Annie's rectangle has an area of
And Bronwyn's rectangle has an area of
If Annie bought more than Bronwyn, the difference is
![A-B = (x+2)(x+3)-5(x+2) = (x+2)[(x+3)-5] = (x+2)(x-2)](https://tex.z-dn.net/?f=A-B%20%3D%20%28x%2B2%29%28x%2B3%29-5%28x%2B2%29%20%3D%20%28x%2B2%29%5B%28x%2B3%29-5%5D%20%3D%20%28x%2B2%29%28x-2%29)
You can write this expression as you prefer: 
Question (d) represents the situation
We can manipulate and solve this equation as follows:
We can't accept the solution x = -3 because it would lead to negative dimensions. So, we have x=3, which implies the following dimensions and area:
which indeed means that Annie has 5 squared meters more material than Bronwyn.
