Solve the problem.A woman deposits $191 in the bank, and each month afterward deposits 7% more than the month before. Find an expression for the amount she deposits on the nth month.
A. 191(1.7)n-1
B. 191(1.07) n+1
C. 191(1.07) n-1
D. 191(1.07) n
Answer: C
Mathematics
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Sketch the graph of the function and determine whether it has any absolute extreme values on its domain.y = 7 cos x, 0 < x < 2? 
A. absolute maximum at x = 0 and x = 2?;
absolute minimum at x = ?
B. absolute maximum at x = 0;
absolute minimum at x = ?
C. no absolute maximum;
no absolute minimum
D. no absolute maximum;
absolute minimum at x = ?
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Find the derivative.
A. 
+ 
B. 
C. 
- 
D. 
Mathematics
Decide whether or not the number is a zero of the polynomial.P(x) = -4x3 + x2 + 7x - 2; -3
A. No B. Yes
Mathematics
Solve by graphing. x + 0.5y = 12x + y = 4
A. 
B. No solution
C. 
D. 
Mathematics