Provide an appropriate response.Which of the following statements defines 
f(x) = ??I. For every positive real number B there exists a corresponding ? > 0 such that f(x) > B whenever x0 - ? < x < x0 + ?.II. For every positive real number B there exists a corresponding ? > 0 such that f(x) > B whenever x0 < x < x0 + ?.III. For every positive 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
Answer: C
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Solve the problem.As part of her retirement savings plan, Patricia deposited $200 in a bank account during her first year in the workforce. In her twentieth year she deposited $770. Assuming that the sequence of numbers giving the amount she deposited in years 1 through 20 is arithmetic, what was the total amount that she deposited in the twenty years?
A. $10,000 B. $9700 C. $20,000 D. $19,400
Determine the coordinates of the focus and the equation of the directrix of the parabola.y2 = 40x
A. F(10, 0), x = 10 B. F(0, 10), y = -10 C. F(10, 0), x = -10 D. F(10, 10), x = 10
Find the derivative.f(x) = 
A. 
(x7 + 4x)-4/5(7x6 + 4)
B. 
(x7 + 4x)-1/5(7x6 + 4)
C. 
(7x6 + 4)-4/5
D. 
(x7 + 4x)-4/5
Solve the problem.If a costume designer takes 45 hours to make 10 costumes, at what rate per hour are costumes being made?
A. 4.5 costumes/hour B. 0.4 costume(s)/hour C. 0.2 costume/hour D. 0.6 costume(s)/hour