The function f(x) changes value when x changes from x0 to x0 + dx. Find the approximation error 
. Round your answer, if appropriate.f(x) = x - x2, x0 = 9, dx = 0.05
A. 0.1725
B. 0.0025
C. 0.17
D. 0.34
Answer: B
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Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation 
where n is the number of filtering steps. Find the amounts left for 
and 
(Round to the nearest whole number.)
A. 300 units; 1200 units B. 600 units; 75 units C. 300 units; 9 units D. 300 units; 75 units
Use the compound-interest formula to find the account balance with the given conditions: P = principal, r = interest rate, t = time, in years.P = $2146.27, t = 11, r = 7% compounded monthly
A. $4625.08 B. $4517.58 C. $4604.67 D. $4574.80
Find the root. Assume that all variables represent positive numbers.
A. 7x6 B. 7x2 C. 7x3 D. 49x3
Solve.Bill has 
yards of canvas from which he is cutting strips. He has cut 
yards already. How much of the canvas is left?
A. 
yd.
B. 
yd.
C. 
yd.
D. 
yd.