Use a graphing calculator to approximate the area between the graphs of the pair of functions on the given interval.y = 
and y = 1 + 4x - x2; [1, 4]
A. 6.455
B. 2.232
C. 7.167
D. 27.583
Answer: A
Mathematics
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Replace the Cartesian equation with an equivalent polar equation.y = 9
A. r = 9 csc ? B. r = 9 sec ? C. r = 9 sin ? D. r = 9 cos ?
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Solve the problem. Use 3.14 as an approximation for ? where appropriate.A spherical tree ornament is to be painted in bright colors. If the ornament has a diameter of 2 cm, how much paint is needed?
A. 50.4 cm2 B. 33.5 cm2 C. 12.6 cm2 D. 16.8 cm2
Mathematics
Perform the subtraction. 
A. 9,772 B. 5,762 C. 5,772 D. 5,742
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Plot the point.(0, -2.5)
A. 
B. 
C. 
D. 
Mathematics