Solve the problem.Suppose a car rental company charges $108 for the first day and $58 for each additional or partial day. Let S(x) represent the cost of renting a car for x days. Find the value of S(3.5).

A. $203
B. $253
C. $282
D. $311


Answer: C

Mathematics

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Sketch the graph and show all local extrema and inflection points.y = x4

A. Local maximum: 
Local minimum: (10, 0)
Inflection point: 

B. Absolute maximum: 
Absolute minimum: (10, 0)
Inflection points: 

C. Local maximum: 
Local minimum: (10, 0)
Inflection points: , (10, 0)


D. Absolute minimum: (10, 0)
No inflection points


Mathematics

Solve the problem.If x varies inversely as y2, and x = 2 when y = 20, find x when y = 5.

A. 16 B. 50 C. 4 D. 32

Mathematics

Solve the system of equations.

A. {(-1, -4, -5)} B. {(-4, -1, -5)} C. {(-4, -5, -1)} D. {(-5, -1, -4)}

Mathematics

Solve the literal equation for the specified variable.A = P(1 + nr) for r

A. r = 
B. r = 
C. r = 
D. r = 

Mathematics