Find the Surface Area of the Surface S $\mathrm { S }$

question 223

Multiple Choice

Find the surface area of the surface S.
- $\mathrm { S }$ is the surface $\frac { 7 } { 2 } \mathrm { x } ^ { 2 } + 7 \mathrm { z } = 0$ that lies above the region bounded by the $x$ -axis, $x = \sqrt { 15 }$ , and $y = x$ .

• A) \(\frac { 63 } { 2 }\)
• B) 21
• C) 63
• D) \(\frac { 21 } { 2 }\)