If $z = x ^ { 2 } + y ^ { 2 }$ , $x = 5 \sqrt { t }$ , and $y = t ^ { 2 } - t$ , find $\frac { d z } { d t }$ when t = 9.
A) -2,111
B) 10,618
C) -8,100
D) 2,473

Name: If $z = x ^ { 2 } + y ^ { 2 }$ , $x = 5 \sqrt { t }$ , and $y = t ^ { 2 } - t$ , find $\frac { d z } { d t }$ when t = 9. A) -2,111 B) 10,618 C) -8,100 D) 2,473
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The Answer of If $z = x ^ { 2 } + y ^ { 2 }$ , $x = 5 \sqrt { t }$ , and $y = t ^ { 2 } - t$ , find $\frac { d z } { d t }$ when t = 9.
A) -2,111
B) 10,618
C) -8,100
D) 2,473

If z=x2+y2z = x ^ { 2 } + y ^ { 2 }z=x2+y2

If $z = x ^ { 2 } + y ^ { 2 }$