Evaluate dz.z = x3 - 7xy2 + 8y; x = 3, y = -3, dx = -0.03, dy = -0.02
A. -1.60
B. -4.75
C. -1.44
D. 0.08
Answer: A
Mathematics
You might also like to view...
Integrate the function f over the given region.f(x, y) = sin 3x over the rectangle 0 ? x ? 
, 0 ? y ? ?
A. ?
B. 
C. 
D. 
Mathematics
For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = 5 + x, g(x) = 5|x|Find (g/f)(x).
A. 5|x| - 5 + x
B. 
+ x
C. 
D. 
Mathematics
Find the greatest common factor of the numbers.120 and 280
A. 5 B. 40 C. 20 D. 8
Mathematics
If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.? = 120°, A = 20 square meters, r = ?
A. 20.93 m B. 4.37 m C. 4.58 m D. 83.73 m
Mathematics