Find the values of a, b, and c for which the quadratic equation ax2 + bx + c = 0 has the given numbers as solutions. Then use those values to write a quadratic equation.-4, -5
A. x2 + 20x + 9 = 0
B. x2 - 9x + 20 = 0
C. x2 + 9x + 20 = 0
D. x2 + 20x - 9 = 0
Answer: C
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Compute AB, if possible.A = 
B =
A. [33 17]
B. 
C. 
D. 
Perform the indicated arithmetic.3
- 
A. 10
B. 9
C. 9
D. 9
Solve the problem.An apple orchard sells apple cider to retailers at the rate of $3.75 per gallon for the first 200 gallons, $3.50 per gallon for the number of gallons purchased between 200 (not included) and 400 (included) gallons, and $3.00 per gallon for the number of gallons purchased in excess of 400.(a) Write a piecewise-defined function P(x) for the purchase price of x gallons purchased.(b) Find 
c(x), 
c(x), and 
c(x).(c) Find c(285).
A. (a) f(x) = 
,
(b) $750, $750, $750
(c) $1047.50
B. (a) f(x) = 
,
(b) $750, $1250, $750
(c) $1547.50
C. (a) f(x) = 
,
(b) $750, $750, $750
(c) $1835
D. (a) f(x) = 
,
(b) $750, $1250, $750
(c) $1866.25
Find all values x = a where the function is discontinuous.g(x) = 
A. Nowhere B. a = 0, 6 C. a = 0 D. a = 6