For the given quadratic equation, use the discriminant to determine the number and type of solutions.x2 + 6x + 9 = 0
A. Two real
B. One real
C. Two nonreal complex
Answer: B
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Add or subtract, as indicated.(4x2y - 6xy) - (6x2y + 4xy2) - (2xy + 4xy2)
A. -6x2y - 4xy2 - 8xy B. -2x2y - 8xy2 - 8xy C. -2x2y + 8xy2 - 8xy D. -2x2y + 8xy2 - 4xy
Find the amount or rate of discount and the sale price after the discount. Round money answers to the nearest cent if necessary.Original price: $271 Rate of discount: 30%
A. $40.65, $230.35 B. $81.30, $189.70 C. $84.01, $186.99 D. $78.59, $192.41
Use the given graph to find the x-intercepts.
A. -4, -1 B. -1, 4 C. -4, 1 D. 1, 4
Analyze the graph of the given function f as follows:(a) Determine the end behavior: find the power function that the graph of f resembles for large values of |x|.(b) Graph f using a graphing utility.(c) Find the x- and y-intercepts of the graph.(d) Use the graph to determine the local maxima and local minima, if any exist. Round turning points to two decimal places.(e) Use the information obtained in (a) - (d) to draw a complete graph of f by hand. Label all intercepts and turning points.(f) Find the domain of f. Use the graph to find the range of f.(g) Use the graph to determine where f is increasing and where f is decreasing.f(x) = -3x4 + ?x3 - 
x + 4
What will be an ideal response?