Solve the problem.An electric company has the following rate schedule for electricity usage in single-family residences:Monthly service charge $4.93Per kilowatt service charge1st 300 kilowatts$0.11589/kWOver 300 kilowatts$0.13321/kWWhat is the charge for using 300 kilowatts in one month?What is the charge for using 375 kilowatts in one month?Construct a function that gives the monthly charge C for x kilowatts of electricity.
What will be an ideal response?
$39.70
$49.69
C(x) = 
Mathematics
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Suppose 
is a linear function with slope 8.31. Find the equation of change for f.
?
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.The table shows the number of pupils per teacher in selected counties in a certain state. 
Which counties have a figure that is at most 14.7?
A. Dixson, Hendricks, Putnum B. Addison, Cumberland, Kendall C. Addison, Branson, Cumberland, Kendall D. Branson, Dixson, Hendricks, Putnum
Mathematics
Simplify the expression. Assume that all bases are nonzero real numbers and all exponents are integers.
A. 
B. 
C. 
D. 
Mathematics
Find the expected value for the random variable x having this probability function.
A. 14 B. 14.4 C. 15.8 D. 17.2
Mathematics