Tell where the function is decreasing.
a. always increasing
b. always decreasing
c. 
d. always constant
e. 
e.
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Solve.(2m - 5)2 = -81
A. No real solution B. 2, -7 C. 4, -14 D. 14, -4
Use the graph to solve the problem.The graph depicts a relationship between scores achieved on an unspecified standardized test and family income. Find the rate of change of test scores with respect to family income.
A. 15.1 point(s) per thousand dollars B. 150 point(s) per thousand dollars C. 1500 point(s) per thousand dollars D. 1.5 point(s) per thousand dollars
Evaluate the line integral along the curve C.
ds , C is the straight-line segment x = 0, y = 5 - t, z = t from (0, 5, 0) to 
A. 25
B. 0
C. 25
D. 
Eva invested a certain amount of money at 15% interest and $2,000 more than that amount at 16%. Her total yearly interest was $1,715. How much did she invest at each rate?
A. $2,000 at 15%, $4,500 at 16% B. $4,500 at 15%, $6,500 at 16% C. $4,700 at 15%, $6,300 at 16% D. $4,700 at 15%, $6,700 at 16% E. $6,500 at 15%, $4,500 at 16%