Find the derivative of the given function. Simplify and express the answer using positive exponents only.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Use partial fractions to find the sum of the series.
A. 
+ 
B. 
- 
C. 
+ 
D. 
+ 
Mathematics
Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given function.f(x) = x4 - 6
A. 1 positive zero, 0 negative zeros B. 0 positive zeros, 1 negative zero C. 1 positive zero, 1 negative zero D. 0 positive zeros, 0 negative zeros
Mathematics
Simplify the expression. Assume that all variables represent nonnegative real numbers.
- 4
- 5
A. -17
B. -17
C. 18
x
D. 
- 19
Mathematics
Use a graphing calculator to solve the system by finding A-1 and A-1B. (Round to the nearest integer if necessary.)2.67x + 1.88y-z = 20.97x - 1.77y + 0.31z = -0.832.78x +y+z = 34.46
A. {(6, 9, 6)} B. {(7, -6, -9)} C. {(7, 6, 9)} D. {(8, 4, 9)}
Mathematics