Graph the 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: C
Mathematics
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Find the Taylor polynomial of order 3 centered at 0.f(x) = 
A. p3(x) = 
+ 
+ 
+ 
B. p3(x) = 
- 
+ 
- 
C. p3(x) = 
+ 
+ 
+ 
D. p3(x) = 
- 
+ 
- 
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Solve the equation for y.3x - 6y + 7 = 0
A. y = 
B. y = - 
C. y = 
D. y = 
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Find the exact function value.csc-1(-2)
A. 
B. 
C. - 
D. - 
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What is PO in dBm when PO = 4.2 W.
a. 1.7 dBm b. 3.6 dBm c. 4.2 dBm d. 20.9 dBm e. 36.2 dBm
Mathematics