Use a graphing calculator to graph the piecewise-defined function, using the window indicated.f(x) = 
; window [-4, 4] by [-4, 4]
A. 
B. 
C. 
D. 
Answer: A
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Use the appropriate rounding rule to answer the question with the correct precision or correct number of significant digits.A city has a deficit of $40.9 million. How much is this per person if the population of the city is 279,600?
A. $146.3 per person B. $150 per person C. $100 per person D. $146 per person
Let f be the function defined by 
.
?Find 
, 
, 
, 
, and 
?
A. 
,
,
,
,
?
B.
,
,
,
,
?
C.
,
,
,
,
?
D.
,
,
,
,
E.
,
,
,
,
?
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, 
< ? < ?Find cos 
.
A. 
B. - 
C. 
D. - 
Solve the problem.Alan averages 26 miles per gallon of gasoline in his car. How far can he travel on 15 gallons of gasoline?
A. 41 miles B. 395 miles C. 46 miles D. 390 miles