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) = x2 - x, x0 = 9, dx = 0.05
A. 0.005
B. 0.4525
C. 0.0025
D. 0.45
Answer: C
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Translate word for word or to a proportion, then solve.What percent of 57 is 801?
A. 0.7% B. 1405.3% C. 0.1% D. 140.5%
Solve the problem.Suppose 
is a mathematical model for actual time as a function of estimated time, where f(x) represents actual time and x represents estimated time and m and b are constants. If 
and b = -0.3, find f(x) when x is 120 min.
A. 95.7 min B. 120.24 min C. 119.76 min D. 96.3 min
Construct the requested statistical display.The weights of 22 members of the varsity football team are listed below. Draw an ordered 
plot for the data. 144 152 142 151 160 152 131 164 141 153 144 175 156 147 133 172 159 135 159 148 140 171 
A. 
B. 
C. 
D. 
Graph the parabola.x = y2 - 2
A. 
B. 
C. 
D. 