Find the indicated composition of functions.Let f = 
and g = 
. Find g ? f.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the flux of the vector field F across the surface S in the indicated direction.F = 5xi + 5yj + 8k; S is "nose" of the paraboloid z = 7x2 + 7y2 cut by the plane z = 2; direction is outward
A. - 
?
B. 
C. 
?
D. 
?
Mathematics
Find the limit.
x ln y
A. ln (4) - 3 B. ln 64 C. 64 D. No limit
Mathematics
Solve the problem using matrices.Jerry has three pieces of string. The total length is 107 cm. The sum of the two longer pieces is 89 cm. The middle piece is twice as long as the shortest piece. What are the lengths of the three pieces?
A. 18 cm; 36 cm; 53 cm B. 9 cm; 18 cm; 80 cm C. No solution D. 18 cm; 53 cm; 63 cm
Mathematics
Evaluate the expression using a rule for exponents.(-8)1
A. 1 B. 8 C. -1 D. -8
Mathematics