The radius of a cylinder is 3x – 2 cm. The height of the cylinder is x + 3 cm. What is the surface area of the cylinder? Use the formula A = 2symbol pir2 + 2symbol pirh.

(1 point)
Responses

2symbol pi(3x2 + 10x – 8)
2 Image with alt text: symbol pi (3 x 2 + 10 x – 8)

2 pi left-parenthesis 12 x squared plus 7x minus 2 right-parenthesis
Image with alt text: 2 pi left-parenthesis 12 x squared plus 7x minus 2 right-parenthesis

2 pi left-parenthesis 12 x squared minus 2x plus 13 right-parenthesis
Image with alt text: 2 pi left-parenthesis 12 x squared minus 2x plus 13 right-parenthesis

2 pi left-parenthesis 12 x squared minus 5x minus 2 right-parenthesis
Image with alt text: 2 pi left-parenthesis 12 x squared minus 5x minus 2 right-parenthesis

1 answer

The correct response is:

2pi(3x^2 + 10x - 8)