Question

Find (A ◦ r)(x).
A = π r^2
r =x/2

Answer 1

where you see an \(r\) replace it by \(\frac{x}{2}\)

Answer 2

a(r(x))
so
π(x/2)^2

Answer 3

@satellite73

Answer 4

yes

Answer 5

1. A = π x
2. None of these
3. A = 2π x
4. A =
1
4
π x2
5. A = 4π x2
6. A =
1
2
π x
7. A = π x2

Answer 6

which one then

Answer 7

1. A = π x
2. None of these
3. A = 2π x
4. A =1/4π x^2
5. A = 4π x^2
6. A =1/2π x
7. A = π x2

Sorry about that

Answer 8

Hello?

Answer 9

\[\frac{\pi x^2}{4}\] if that is a choice

Answer 10

divided by 2