Graph the equation by determining the missing values needed to plot the ordered pairs.y + x = 3; (2, ), (3, ), (1, )
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Let f be the function defined by 
.
Find
,
,
, 
, and
.
?
A. 
, 
, 
, 
, 
?
B. 
, 
, 
, 
?
C. 
, 
, 
, 
, 
?
D. 
, 
, 
, 
, 
?
E. 
, 
, 
, 
, 
?
Mathematics
Solve the problem.In a certain location, the highest temperature recorded was 101°F. The lowest temperature recorded was 125 degrees less than the highest. What was the lowest temperature?
A. -138°F B. 0°F C. -24°F D. 24°F
Mathematics
Determine whether the two pairs of numbers are proportional.3, 
and 12, 7
A. No B. Yes
Mathematics
Solve the problem.John owns a hot dog stand. He has found that his profit is given by the equation 
where x is the number of hot dogs sold. How many hot dogs must he sell to earn the most profit?
A. 23 hot dogs B. 47 hot dogs C. 36 hot dogs D. 35 hot dogs
Mathematics