Find the gradient field F of the function f.f(x, y, z) = ln (x6 + y7 + z7)
A. F = 
i + 
j + 
k
B. F = 
i + 
j + 
k
C. F = 
i + 
j + 
k
D. F = 
ln ( y7 + z7)i + 
ln (x6 + z7)j + 
ln ( x6 + y7)k
Answer: A
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Solve.Find the equilibrium point for the given supply and demand functions. Here y represents price and x represents quantity. y = 456 - 3x (demand) y = 3x - 300 (supply)
A. 453, $303 B. 126, $78 C. 78, $126 D. -300, $456
By definition, an "and" statement is true only when the statements before and after the "and" connective are both true. Use this definition to determine whether the given statement is true or false.0.9 > 0.
and 17 ? 8 + 9
A. True B. False
Factor the trinomial completely. If the polynomial cannot be factored, write "prime."a3b2 + 7a2b + 10a
A. a3(b + 2)(b + 5) B. a(a2b2 + 7ab + 10) C. a(ab - 2)(ab - 5) D. a(ab + 2)(ab + 5)
Provide the proper response.If f(x) ? 0 on the interval [a,b], then 
representsi) the area to the right of the y-axis between y = a and y = b.ii) the area above the x-axis between x = a and x = b.iii) the area below the x-axis between x = a and x = b.
A. Only ii is correct. B. Only i is correct. C. Both ii and iii could be correct. D. None of the above