Find all the first order partial derivatives for the following function.f(x, y) = 
A. 
= - 
; 
= - 
B. 
= - 
; 
= - 
C. 
= - 
; 
= - 
D. 
= 
; 
= 
Answer: B
Mathematics
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Find the gradient field of the function.f(x, y, z) = ln
+ z3
A. ?f = 
i + 
j + 
k
B. ?f = 
i + 
j + 
k
C. ?f = 
i + 
j + 
k
D. ?f = 
i + 
j + 
k
Mathematics
Solve the equation.x4 + 432 = 57x2
A. 3, 4
B. -48, -9, 9, 48
C. -4
, -3, 3, 4
D. 9, 48
Mathematics
Divide.
A. -4
B. -2.4
C. - 
D. -24
Mathematics
Solve the problem.A computer compiles a program in 0.000575 seconds.Write the number in scientific notation.
A. 5.75 × 10-4 B. 5.75 × 10-6 C. 5.75 × 103 D. 5.75 × 10-5
Mathematics