Use a calculator to find the function value to four decimal places.sec 974°13'
A. -3.6569
B. -1.0392
C. -3.6765
D. 0.9983
Answer: C
Mathematics
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Evaluate the integral.
dx
A. 609 B. 21 C. 2436 D. -609
Mathematics
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. 
= 1 - ex+y; 
= - ex+y; 
= 
= -ex+y
C. 
= 2 - y2ex+y; 
= -x2ex+y; 
= 
= - y2ex+y
D. 
= 2 - ex+y; 
= - ex+y; 
= 
= -ex+y
Mathematics
Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Find fractional notation for the ratio. You need not simplify.7.1 to 3.4
A. 
B. 
C. 
D. 
Mathematics