Perform the indicated operations.5(4x + 4y)(4x - 7y)
A. 80x2 - 60xy - 4y
B. 40x2 - 60xy - 140y2
C. 80x2 - 60xy - 140y2
D. 40x2 - 285xy - 140y2
Answer: C
Mathematics
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Find all the second order partial derivatives of the given function.f(x, y) = x2 + y - ex+y
A. 
= 2 - y2ex+y; 
= -x2ex+y; 
= 
= - y2ex+y
B. 
= 2 - ex+y; 
= - ex+y; 
= 
= -ex+y
C. 
= 1 - ex+y; 
= - ex+y; 
= 
= -ex+y
D. 
= 2 + ex+y; 
= ex+y; 
= 
= ex+y
Mathematics
Use the Binomial Theorem to expand the binomial.(
+ 
)4
A. x2 + 4
x3/2 + 42x + 28
x1/2 + 49
B. x2 + 49
C. x2 + 4
x1/2 + 42x + 28
x1/2 + 2401
D. x2 + 2
x3/2 + 21x + 14
x1/2 + 49
Mathematics
Plot the ordered pairs on the rectangular coordinate system provided.A(- 
, -6), B(-5, 6)
A. 
B. 
C. 
D. 
Mathematics
Compute and simplify the difference quotient 
, h ? 0.f(x) = 
A. 
B. 
C. - 
D. 
Mathematics