Let f be a scalar field. Determine whether the expression is meaningful. If so, state whether the expression represents a scalar field or a vector field.
?(gradf)
The vector grad f is defined. It is the gradient (vector) field F of the scalar field f. So, ?(gradf) = ?F, which is not meaningful.
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Provide an appropriate response.The given table represents a function. Make a clear graph of the function. 
A. 
B. 
C. 
D. 
Round the figure to the nearest dollar.$216.06
A. $217 B. $216.10 C. $216.06 D. $216
Solve the system.
A. (1, 3, 4) B. (1, 4, 3) C. (4, 3, 1) D. (4, 1, 3)
List all equally likely outcomes in the sample space for the indicated experiment.A coin is tossed, and then a die is rolled.
A. {(h, t, 1, 2, 3, 4, 5, 6)} B. {(1, h), (2, h), (3, h), (4, h), (5, h), (6, h), (1, t), (2, t), (3, t), (4, t), (5, t), (6, t)} C. {(2, 6)} D. {(h, 1), (h, 2), (h, 3), (h, 4), (h, 5), (h, 6), (t, 1), (t, 2), (t, 3), (t, 4), (t, 5), (t, 6)}