Answer:
f(y) = 12 + 4x
Step-by-step explanation:
Output is 12 more than 4 timea the input
The dependent variable = y
The dependent variable = x
The input is the independent variable, x
Output is the dependent variable, y
Output = 12 + (4 * input)
Hence, the function rule can be written has :
f(y) = 12 + 4x
Answer:
200.96 ft^2
Step-by-step explanation:
The area of a circle is pi * r^2
This means that the area of that circle is pi * 8^2
8^2 * pi = 64 * 3.14 = 200.96
You can set it as a proportion:


Cross multiply:
-0.18y = 0.918
Divide:
y = -5.1
A simple rule to tell whether a graph is a function is to pretend to cut it vertically, if any cut intercept the graph twice, it is not a function. otherwise, it is.
In this case, the heart is not a function, because if you cut it up-down direction, your imaginary knife will touch the edge of the heart twice.
I hope this explanation helps.<span />