Find the midpoint of the line segment joining the points P1 and P2.P1 = (b, 6); P2 = (0, 2)
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the slope of the polar curve at the indicated point.r = 
, ? = 4?
A. 0 B. Undefined C. -4? D. 4?
Mathematics
A. 28
B. 195
C. 
D. 197
Mathematics
Solve the problem.Suppose f(x) = 30.2 + 1.3 log (x + 1) models salinity of ocean water to depths of 
at a certain latitude. x is the depth in meters and f(x) is in grams of salt per kilogram of seawater. Approximate the salinity (to the nearest hundredth) when the depth is 609 meters.
A. 82.82 B. -26.58 C. 33.82 D. 85.42
Mathematics
Perform the indicated operations.
- 
+ 
A. 
B. 
C. 
D. 
Mathematics