Approximate f(x) to four decimal places.f(x) = ex - e-x, x = 6.9
A. 992.2757
B. 0
C. 992.2737
D. 118,505.6058
Answer: C
Mathematics
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Provide an appropriate response.Use the fact that csc x = 
+ 
+ 
+ 
+ ... (for |x| < ?) to find the first four terms of the series for 2 csc(2x) 
and thus for ln tan x.
A. ln|x| + 
+ 
+ 
+ ...
B. ln|x| - 
+ 
- 
+ ...
C. ln|x| - 
+ 
- 
+ ...
D. ln|x| + 
+ 
+ 
+ ...
Mathematics
Find the quadratic approximation of f at x = 0.f(x) = 
A. Q(x) = 1 + 2x
B. Q(x) = 
C. Q(x) = 2x
D. Q(x) = 1 + 
Mathematics
Round the whole number to its highest place value.2618
A. 2890 B. 4000 C. 3000 D. 3100
Mathematics
Solve the problem.One maid can clean the house in 7 hours. Another maid can do the job in 5 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Mathematics