Find the shaded area.
Two squares
A. 427 cm2
B. 392 cm2
C. 441 cm2
D. 28 cm2
Answer: B
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Find the length of the curve.The circle r = 6 sin ?
A. 3? B. 36? C. 12? D. 6?
Find an equation of the line through the pair of points. Write the equation in the form Ax + By = C.(-6, 3) and (0, -2)
A. 9x - 2y = -4 B. 5x - 6y = 12 C. -9x + 2y = -4 D. -5x - 6y = 12
Solve the problem.The function f computes the annual interest paid on savings of x dollars with an interest rate of 8%. The graph of f and the horizontal line 
are shown in the figure. Determine the x-values that satisfy (i) the equation f(x) = 3.36 and (ii) the equation f(x) > 3.36. Express your answers symbolically. 
A. {x|x < 42}; {x|x ? 42} B. {x|x = 42}; {x|x > 42} C. {x|x < 42}; {x|x > 42} D. {x|x = 42}; {x|x ? 42}