(a) Circle the equation that generates the surface shown below. 22 + y? + z? =...

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(a) Circle the equation that generates the surface shown below. 22 + y? + z? = 1 x² = y? + z? x = ²+y 2² + 22 – y? = 1 y = 2² – x² a² – ² – 2² = 1 (b) Given f(x,y) = y +x2, sketch a well-labeled contour map for z, = -2,-1,0, 1 (a) Circle the equation that generates the surface shown below. 22 + y? + z? = 1 x² = y? + z? x = ²+y 2² + 22 – y? = 1 y = 2² – x² a² – ² – 2² = 1 (b) Given f(x,y) = y +x2, sketch a well-labeled contour map for z, = -2,-1,0, 1