Answer the question.Find the direction in which the function is increasing or decreasing most rapidly at the point Po.f(x, y) = xey - ln(x), Po(-4, 0)
A. 
i + 
j
B. 
i + 
j
C. 
i + 
j
D. 
i
Answer: B
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 0 for r(t) = ln(t3 - 5t2 + 5)i - 
j - 3cos(t)k
A. v(0) = 
i - 
j + 3k
B. v(0) = 
i - 
j
C. v(0) = - 
j
D. v(0) = 
j
Provide an appropriate response.Convert 30°40' to radians rounded to the nearest hundredth.
A. 0.17 rad B. 0.54 rad C. 9.76 rad D. 1.87 rad
Fill in the blank with one of the words or phrases listed below. Not all the choices will be used.
The 
of 25 is 5.
A. conjugate B. radicand C. radical D. principal square root
Describe the natural domain of the function. f(x) = 
A. The set of all real numbers
B. The set of all real numbers less than 8
C. The set of all real numbers greater than 
D. The set of all real numbers except 8