Provide an appropriate response.What is the discriminant for 4x2 - 4x + 1 = 0? How many and what type of solutions does this equation have?
A. Discriminant: -64; Two nonreal complex solutions
B. Discriminant: 0; One rational solution
C. Discriminant: 63; Two irrational solutions
D. Discriminant: 64; Two rational solutions
Answer: B
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Determine whether the relation is a function.
A. A function B. Not a function
Plot the point.(-0.5, 0)
A. 
B. 
C. 
D. 
An experimental aircraft has a plexiglass covering over the cockpit that is hemispherical. If the radius of the hemisphere is 2 ft, what is the surface area? ?
A. 17.3 ft 2 B. 35.3 ft 2 C. 40.4 ft 2 D. 25.1 ft 2 E. 50.3 ft 2
Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = -2x2 + 5x + 9
A. Increasing on (-?, 0); decreasing on ( 0, ?)
B. Increasing on (-?, 1); decreasing on ( -1, ?)
C. Increasing on 
; decreasing on 
D. Increasing on 
; decreasing on 