Solve the problem.Find the area A of a rectangle with length 3.9 ft and width 7.9 ft.
A. A = 61.62 ft2
B. A = 11.8 ft2
C. A = 15.6 ft2
D. A = 30.81 ft2
Answer: D
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Evaluate the integral.
A. 
B. 
C. 
D. 
Find the foci and endpoints of each axis for the given ellipse.4x2 + 16y2 = 64
A. Foci: (± 4, 0); vertices: (±2
, 0);
endpoints of the minor axis: (± 2, 0)
B. Foci: (0, ±2
); vertices: (0 , ± 4);
endpoints of the minor axis: (± 2, 0)
C. Foci: (± 12, 0); vertices: (± 16, 0);
endpoints of the minor axis: (0, ± 4)
D. Foci: (±2
, 0); vertices: (± 4, 0);
endpoints of the minor axis: (0, ± 2)
Find the equation of the axis of symmetry of the parabola.f(x) = x2 + 8
A. x = 8 B. y = 8 C. x = 0 D. x = -8
Answer the following:
(a) Draw an arrow diagram for a function that is onto but not one-to-one. (b) Draw an arrow diagram for a function that is one-to-one but not onto.