Provide an appropriate response.Use the fact that sin-1 x = x + 
for |x| < 1 to find the series for cos-1 x.
A. 
- 
B. 
- x - 
C. 
- x + 
D. 
- x + 
Answer: B
Mathematics
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Perform the following operation. ? Subtract x - 7 from 2x2 - 9x + 6. ?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find an equation of the following curve.An ellipse centered at the origin having vertex at (0, -6) and eccentricity equal to 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Provide the appropriate response.Find the least number divisible by each natural number less than or equal to 10.
A. 2520 B. 30,240 C. 3,628,800 D. 100
Mathematics
Use a calculator to find the sum. Round the result to two decimal places.
+ 
A. 0.85 B. -0.96 C. 0.16 D. 0.45
Mathematics