Add or subtract. Simplify your answer to lowest terms.
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Express the relationship between a small change in x and the corresponding change in y in the form 
.y = 
A. dy = 
dx
B. dy = 
dx
C. dy = 
dx
D. dy = 
dx
Mathematics
Find the linear approximating polynomial for the function centered at a.f(x) = x + 
, a = 4
A. p1(x) = 
x + 
B. p1(x) = 
x + 
C. p1(x) = 
x + 
D. p1(x) = 
x + 
Mathematics
Find the unknown diameter or radius as indicated.
A. 16 m B. 8? m C. 4 m D. 4? m
Mathematics
Two planes leave an airport at the same time. Their speeds are 140 miles per hour and 150 miles per hour, and the angle between their courses is 38°. How far apart are they after 1.5 hours? ? Apply the rules regarding the use of significant digits after all computations are complete. ?
A. 182 mi B. 140 mi C. 150 mi D. 120 mi E. 112 mi
Mathematics