Estimate the answer by rounding as indicated.Estimate by first rounding to the nearest ten.
A. 150
B. 5400
C. 5073
D. 5070
Answer: B
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Solve the rational inequality. Write the solution set using interval notation; then graph the solution set on a number line.
? 4x
A. [0, 5] ? [7, ?)
B. (-?, 5] ? [7, ?)
C. (-?, 0] ? [5, 7)
D. [7, ?)
The figure below shows the graph of a function y = f(x). Use this graph to solve the problem.Sketch the graph of y = - 
f(x).
?
A. 
B. 
C. 
D. 
The rule of the derivative of a function f is given. Find the location of all local extrema.f'(x) = (x + 4)(x + 1)(x - 4)
A. Local maxima at -4 and 4; local minimum at -1 B. Local maximum at -1; local minima at -4 and 4 C. Local maxima at 4 and -4; local minimum at 1 D. Local maximum at 1; local minima at 4 and -4
Determine whether the given value of x is a solution to the quadratic inequality.2x2 + 3x - 9 > 0; x = 3
A. Yes B. No