Provide an appropriate response.Find the direction in which the function is increasing most rapidly at the point P0.f(x, y) = xy2 - yx2, P0(-1, 1)
A. 
i + 
j
B. 
i + 
j
C. 
i - 
j
D. 
i - 
j
Answer: C
Mathematics
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Multiply.(9
+ 8 )(
- 5)
A. 9x - 37
+ 40
B. 9x + 37
- 40
C. 9x + 53
- 40
D. 9x - 37
- 40
Mathematics
Find the exact value of the expression using the provided information.Find cos(s + t) given that cos s = 
, with s in quadrant I, and 
with t in quadrant II.
A. - 
B. 
C. 
D. - 
Mathematics
Multiply.0.0087 × 0.011
A. 0.00000957 B. 0.000957 C. 0.0000957 D. 0.00000096
Mathematics
Multiply.-5(-3)(6)
A. -90 B. 80 C. 90 D. 190
Mathematics