The general term of a sequence is given. Find the indicated partial sum.a1 = 4, an = an - 1 + 6 for n ? 2; S5
A. 80
B. 100
C. 85
D. 55
Answer: A
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 - ex+y; 
= - ex+y; 
= 
= -ex+y
B. 
= 2 + ex+y; 
= ex+y; 
= 
= ex+y
C. 
= 2 - y2ex+y; 
= -x2ex+y; 
= 
= - y2ex+y
D. 
= 1 - ex+y; 
= - ex+y; 
= 
= -ex+y
Mathematics
Consider a function 
. If the graph of 
is above the horizontal axis, what can be said about the graph of f?
?
A. The graph of f is above the horizontal axis. B. The graph of f is below the horizontal axis. C. The graph of f is increasing. D. The graph of f is a straight line.
Mathematics
Provide an appropriate response. Graph the absolute-value equation y = |x|.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.
A. 35
B. 
C. 
D. 
Mathematics