Solve. Check for extraneous solutions.
+ 3 = 
+ 7
A. 
B. 
C. 
D. ?
Answer: B
Mathematics
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Find the linear approximating polynomial for the function centered at a.f(x) = 
, a = 0
A. L(x) = 
x - 4
B. L(x) = 
x - 4
C. L(x) = 
x + 4
D. L(x) = 
x + 4
Mathematics
Find the center of the ellipse. 25(x - 6)2 + 9(y - 4)2 = 225
A. (-6, -4) B. (4, 6) C. (6, 4) D. (25, 9)
Mathematics
Use the root test to determine if the series converges or diverges.
A. Converges B. Diverges
Mathematics
Solve.The price of a shirt was reduced from $27.50 to $16.50 . What was the percent of decrease in the price?
A. 41% B. 4% C. 40% D. 42%
Mathematics