Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
A. 1.23 × 10-2
B. 
C. 4.12 × 10-3
D. 1.37 × 10-3
Answer: C
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The amount L, in liters, of liquid remaining in a tank after t hours satisfies the equation of change 
. How much liquid is in the tank after a long time?
?
A. 6 liters B. 42 liters C. 1.17 liters D. 7 liters
Solve the system of equations graphically using a graphing calculator. Find all values to the nearest hundredth.y = -4x2y = x2 - 5
A. x = 1.00, y = -4.00; x = -1.00, y = -4.00 B. x = 1.29, y = -6.67; x = -1.29, y = -6.67 C. x = 1.00, y = -4.00 D. No solution
Divide, when possible.10 ÷ 5
A. 3 B. 2 C. 1 r5 D. 1 r4
Use synthetic division to divide f(x) by x - k for the given value of k. Then express f(x) in the form 
for the given value of k.f(x) = 3x4 - 9x3 + 2x2 - 6x; k = 3
A. f(x) = (x + 3)(3x2 + 2x) B. f(x) = (x - 3)(3x3 + x2 - x + 3) + 9 C. f(x) = (x - 3)(3x3 + 2x) D. f(x) = (x + 3)(3x3 + 2x)