You are given a graph of a function of the form f(x) = ax2 + bx + c for different values of a, b, and c. For this function,a. Determine whether the discriminant is positive, negative, or zero.b. Determine if there are 0, 1, or 2 real solutions to f(x) = 0.c. Solve the equation f(x) = 0.
A. a. negative
b. 2
c. x = -1, x = -2
B. a. positive
b. 2
c. x = 1, x = 2
C. a. zero
b. 2
c. x = -1, x = 2
D. a. positive
b. 2
c. x = -1, x = 2
Answer: D
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.2x + y = yln 2
A. 
B. 
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Write each rate as a unit rate as a phrase, and determine which is a better buy.A case of 30 bottles of IceMan'water costs $3.90. A case of 20 bottles of Big Mountain water costs $3.00.
A. IceMan: $3.90 per bottle; Big Mountain: $3.00 per bottle. IceMan water is the better buy. B. IceMan: $0.15 per bottle; Big Mountain: $0.13 per bottle. Big Mountain water is the better buy. C. IceMan: $0.13 per bottle; Big Mountain: $0.15 per bottle. IceMan water is the better buy. D. IceMan: $0.13 per bottle; Big Mountain: $0.10 per bottle. Big Mountain water is the better buy.