Factor the trinomial completely.-x2 - 2x + 63
A. -(x - 9)(x + 1)
B. -(x + 9)(x - 7)
C. -(x - 9)(x + 7)
D. Prime
Answer: B
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Provide an appropriate response.Which of the following statements defines 
f(x) = -??I. For every negative real number B there exists a corresponding ? > 0 such that f(x) < B whenever x0 - ? < x < x0 + ?.II. For every negative real number B there exists a corresponding ? > 0 such that f(x) < B whenever x0 < x < x0 + ?.III. For every negative real number B there exists a corresponding ? > 0 such that f(x) < B whenever x0 - ? < x < x0.
A. II B. I C. III D. None
Solve the problem.A circular pizza in a contest for the world's largest pizza has a radius of 5 feet. What is the area of the pizza? (Round to 2 decimal places, if necessary.)
A. 25 square feet B. 31.4 square feet C. 157 square feet D. 78.5 square feet
The graph of a function f is given. Use the graph to answer the question.Is f(6) positive or negative?
A. positive B. negative
Evaluate the sum.
A. 
B. 
C. 
D. 