Solve the problem.Use the comparison line graph to determine how many more hours Jennifer needed to prepare for Test 3 than David.
A. 2
B. 4
C. 1
D. 3
Answer: D
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Find the flux of the vector field F across the surface S in the indicated direction.F = 7xi + 7yj + 2k; S is "nose" of the paraboloid z = 7x2 + 7y2 cut by the plane z = 2; direction is outward
A. 
?
B. 
?
C. 
D. - 
?
Evaluate the absolute value expression.
A. 0 B. ±17 C. -17 D. 17
Express the given function as a composite of functions f and g such that y = f(g(x)).y = 
A. f(x) = 
, g(x) = 10
B. f(x) = 10, g(x) = 
C. f(x) = 
, g(x) = 6x + 7
D. f(x) = 
, g(x) = 6x + 7
Solve the problem.The population of a city has varied considerably in recent years. The data in the table relates the pollution P to time t, in years, where t = 0 corresponds to 1990. Use a quadratic function fitted to the data to predict the population in 2000. 
A. 119,000.00 B. 58,964.00 C. 81,202.00 D. 48,430.80