An electric company charges $6.00 per month plus $0.1 for each kilowatt hour (kwh) of electricity used. Find a linear function f (n) that gives the total cost of n kwh of electricity.
?
Please enter your answer as a function .
What will be an ideal response?
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Solve the problem.The polynomial 
gives the approximate total earnings of a company, in millions of dollars, where x = 0 corresponds to 1996, x = 1 corresponds to 1997, and so on. This model is valid for the years from 1996 to 2000. Determine the earnings for 2000. Round to two decimal places, if necessary.
A. $1.53 million B. $1.73 million C. $2.01 million D. $1.88 million
Solve the inequality. Express your answer using interval notation.x + 1 < -2
A. (-?, -3)
B. (-?, -3]
C. (-?, -1)
D. (-3, ?)
Find the domain and range of the inverse of the given function.f(x) = 
A. Domain: (-?, 3) ? (3, ?) Range: (-?, 1) ? (1, ?) B. Domain: (-?, 1) ? (1, ?) Range: (-?, 3) ? (3, ?) C. Domain: (-?, ?) Range: (-?, 3 ) ? (3, ?) D. Domain and range: (-?, ?)
Solve the problem.Find the dimensions of a box with largest volume if it lies in the first octant, three of its faces lie in the coordinate planes, and the box lies beneath (or touching) the ellipsoid with equation 
A. 
by 
by 
B. 1 by 
by 
C. 
by 2
by 
D. 3
by 4
by 7