Find the average rate of change for the function over the given interval.y = x2 + 8x between x = 7 and x = 9
A. 
B. 17
C. 24
D. 
Answer: C
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A German firm that manufactures precision scientific instruments has built a new factory in Nebraska on property that it has leased. It has hired German scientists and engineers as well as German technicians to work at the plant. The firm received tax benefits and other economic incentives from Nebraska in order to build this new plant. This is an example of a/an
A. franchising venture. B. turnkey project. C. greenfield venture. D. international acquisition.
Find the perimeter or area of the figure as indicated. Express your answer in simplified radical form.Find the area of the rectangle.
A. 24
sq ft
B. 72 sq ft
C. 8
sq ft
D. 24 sq ft
Find the product. Assume all variables have non-negative values.(
+ 
)(
- 
)
A. 5 - z
B. 5 - 2
C. 5 - 2
D. 5z
Graph the quadratic equation. Determine the x-intercepts, if they exist. Identify the vertex and axis of symmetry.y = x2 + 4x - 7
A. vertex: (- 
, - 
)
x-intercepts: (-4, 0) and (3, 0)
B. vertex: (4, 0)
x-intercept: (4, 0)
C. vertex: (-2, -11)
x-intercepts: (-2 ± 
, 0)
D. vertex: (-2, 3)
x-intercepts: none