Find the intersection of the given intervals.(-?, ?) ? [-3, ?)
A. ?
B. (-?, ?)
C. [-3, ?)
D. (-?, -3]
Answer: C
Mathematics
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Provide an appropriate response.If cos x is replaced by 
and |x| < 0.8, what estimate can be made of the error?
A. |E| < 0.00045511 B. |E| < 0.0027307 C. |E| < 0.0021845 D. |E| < 0.00036409
Mathematics
Collect like terms and write in descending order.7x7 + 3x7 - 8x7
A. -168x7 B. 2x21 C. Can't be simplified D. 2x7
Mathematics
Use logarithmic differentiation to find the derivative of y.y = 
A. 4
B. 
+ 
- 
C. 
(ln x + ln(x + 1) - ln(x3 + 8))
D. 
Mathematics
Solve the problem.Find an upper bound for the error in estimating 
using the Trapezoidal Rule with n = 6 steps.
A. 
B. 
C. 
D. 
Mathematics