The answer would be the first one, 2s+6.
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80p=pr^2+p(2r)^2
80p=pr^2+4pr^2
80=r^2+4r^2
80=5r^2
16=r^2
r=4 for the smaller circle´s radius, and 8 is the larger circle´s radius.
Have a nice day, I hope this was helpful :D
Answer:
Question 1:
(3)
x 3 5 7 9
f(x) 2 4 2 4
Question 2:
(2) whole numbers
Step-by-step explanation:
1.
In a function, each x-value must only have 1 y-value, but a y-value can have multiple x-values.
2.
A whole number is any positive number that is not a fraction. You cannot have negative devices nor a fraction of a device.
