Use the equation and the corresponding graph for the quadratic function to find what is requested.f(x) = -2 (x - 3)2 + 4
Find the coordinates of the vertex.
A. (-3, 4)
B. (3, 4)
C. (4, 3)
D. (3, -4)
Answer: B
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Solve the problem.Peter's Construction Company needs to cut an arch for the top of a doorway. The arch needs to be 14 feet wide and 4 feet high. The arch will be a section of a circle, drawn using a stretched string with a pencil attached at the end as a compass. Using the coordinate system as shown in the drawing, find the coordinates of the point that would be the center of the circle. Also find the radius of the circle. Round to the hundredths place.
?a = 7
A. (0, -4.13); 8.13 B. (0, -3.79); 7.79 C. (0, -41.25); 45.25 D. (0, -3.88); 7.88
Express the number in decimal notation.6.408 × 10-5
A. 0.00006408 B. 0.000006408 C. 0.0006408 D. -640,800
Refer to this figure to answer the question. Assume 
and 
are parallel.
Are ?CDA and ?DHI supplementary?
A. No B. Yes
Graph the inequality.x > -5 
A. 
B. 
C. 
D. 