Subtract. Write the answer in lowest terms as a mixed number.
A. 5
B. 5
C. 6
D. 4
Answer: B
Mathematics
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Find the gradient field of the function.f(x, y, z) = (x5y2 - y10z3)e-z2
A. ?f = 5x4y2e-z2i + (2x5y - 10y9z3)e-z2j + y2ze- z2[y8z(2z2 - 3) - 2x5]k B. ?f = 5x4i + (10y9 - 2y)j + 2z4e-z2k C. ?f = 5x4y2i + (10y9z3 - 2x5y)j + (2z2 - 3)y10z2k D. ?f = 5x4y2e-z2i + (2x5y - 10y9z3)e-z2j + (3 - 2z2)y10z2e-z2k
Mathematics
Factor out the largest common factor.3n2 + 18n - 12
A. 3(n2 + 6n - 12) B. 3n(n + 2) C. 3(n2 + 6n - 4) D. 3(-n2 - 6n + 4)
Mathematics
Identify the expression as a polynomial or not a polynomial.7x5 + 4x2 - 14
A. Polynomial B. Not a polynomial
Mathematics
Find the domain and the range for the function.
A. D: 
, R: 
B. D: 
, R: 
C. D: 
, R: 
D. D: All real numbers, R: 
Mathematics