Find the equation of the line that has the given properties. Write the equation in slope-intercept form, if possible. Contains (0, 0); perpendicular to the line -4x - y = 2
A. y = - 
x
B. y = 
x
C. y = 
x + 2
D. y = -4x
Answer: B
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Use a graphing calculator to solve the equation. Round to two decimal places.(1.06)x = 6
A. 0.03 B. 1.73 C. 34.2 D. 30.75
Find the direction the parabola opens, the coordinates of the vertex, the equation of the axis of symmetry and draw the graph.x = 3(y + 4)2 + 2 
A. 
opens left; vertex (- 2, - 4);
axis of symmetry y = - 4
B. 
opens right; vertex (- 2, - 4);
axis of symmetry y = - 4
C. 
opens right; vertex (2, - 4);
axis of symmetry y = - 4
D. 
opens right; vertex (2, 4);
axis of symmetry y = 4
Use a calculator to find the function value to four decimal places.tan 459°
A. -0.1564 B. 2.6051 C. -1.2349 D. -6.3138
Solve the problem. Over a period of 1 year, the price P of a certain commodity follows the model 
where P is in dollars per pound and t is in months. Assume that 
and 
(a) What is the price of the commodity in the 7th month? (b) What is the rate of change in the price of the commodity in the 7th month?
A. (a) About $5032.00; (b) About $1.28/month B. (a) About $56.89; (b) About $11.31/month C. (a) About $9.08; (b) About $11.31/month D. (a) About $8.96; (b) About $1.28/month