Solve the problem.The following table shows the per capita fish consumption, in pounds, in the Virgin Islands in 3 recent years. 
Fit a quadratic function f(x) = ax2 + bx + c to the data. What is the value of b?
A. 0.65
B. -.4
C. 1.2
D. 0.8
Answer: D
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Write the equation for the plane.The plane through the point P(-2, 3, 2) and normal to n = 
A. -2x + 3y - 2z = 9 B. 2x - 3y + 2z = 9 C. -3x - 3y + 3z = 3 D. 3x + 3y - 3z = 9
Determine whether the system corresponding to the given augmented matrix is consistent or inconsistent. If it is consistent, give the solution.
A. consistent; x = 5, y = -1; (5, -1) B. consistent; x = -5, y = 1; (-5, 1) C. consistent; x = -5, y = 1, z = -6; (-5, 1, -6) D. inconsistent
Solve the problem.A company is constructing an open-top, square-based, rectangular metal tank that will have a volume of 
What dimensions yield the minimum surface area? Round to the nearest tenth, if necessary.
A. 4.6 ft by 4.6 ft. by 2.3 ft B. 3.6 ft by 3.6 ft. by 3.6 ft C. 5.2 ft by 5.2 ft. by 1.7 ft D. 9.8 ft by 9.8 ft. by 0.5 ft
Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 - 4x + 7
A. vertex: 
;
x-intercepts: (1, 0) and (7, 0);
y-intercept: (0, 7)
B. vertex: (2, -4);
x-intercepts: (0, 0) and (4, 0);
y-intercept: (0, 0)
C. vertex: (2, -3);
x-intercepts: none;
y-intercept: (0, -7)
D. vertex: (2, 3);
x-intercepts: none;
y-intercept: (0, 7)