Which of the following is the graph of f(x) = x4 - 9?
A. 
B. 
C. 
D. 
Answer: B
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Find all solutions to the equation. Express the solution in degrees.cot x + 
= 0
A. 150° + 180°n or 330° + 360°n B. 150° + 180°n C. 150° + 360°n D. 330° + 360°n
Find the vertex of the parabola and determine if it is a maximum or minimum. f(x) = x2 - 14x + 50
A. (7, 1); minimum B. (7, 1); maximum C. (1, 7); maximum D. (1, 7); minimum
Factor the trinomial, or state that the trinomial is prime.5x2 + 18x + 16
A. (5x + 2)(x + 8) B. (5x + 8)(x + 2) C. (5x + 8)(5x + 2) D. prime
In a certain college, 33% of the physics majors belong to ethnic minorities. Find the probability of the event from a random sample of 10 students who are physics majors.Exactly 4 do not belong to an ethnic minority.
A. 0.2564 B. 0.2253 C. 0.0467 D. 0.0547