Graph the step function.Assume it costs 25 cents to mail a letter weighing one ounce or less, and then 20 cents for each additional ounce or fraction of an ounce. Let L(x) be the cost of mailing a letter weighing x ounces. Graph y = L(x). Use the interval (0, 4].
A. 
B.
C.
D. 
Answer: B
Mathematics
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Answer the question.Tell which of the following distributions would have the least variation.
A. 100-meter times for male Olympic sprinters B. 100-meter times for adults C. 100-meter times for college seniors D. 100-meter times for male college seniors
Mathematics
The following question(s) refer to a fractal defined by the recursive procedure :
What is the length of the figure at step N of the construction?
A. N × 
B. 3N + 2N
C. N(3 +
)/5
D. 
E. none of these
Mathematics
Find the composition.f(x) = -4x - 3; g(x) = 3x2 + 8x - 8Find (f ? g)(-9).
A. 355 B. -655 C. 3523 D. 425
Mathematics
Graph.16x2 - 36y2 + 96x + 216y - 756 = 0
A. 
B. 
C. 
D. 
Mathematics