Use any method to solve the system of linear equations, find (x,y).
?
?
?
A. (7, 4)
B. ?(4, 7)
C. ??(4, -7)
D. ?(-7, 4)
E. ?(-7, -4)
Answer: A
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Find the one-sided limit, if it exists.
?
?
A. 4 B. -2 C. -10 D. 5 E. The limit does not exist
Solve the problem.Without using a calculator, explain why 2? must be greater than 8 but less than 16.
What will be an ideal response?
Find the average rate of change illustrated in the graph. 
A. 1.3 mm per second B. .85 mm per second C. 1 mm per second D. .75 mm per second
Use your graphing calculator to graph the function between alt="" class="wirisformula" data-wiris-created="true" src="https://sciemce.com/media/3/ppg__cognero__Section_4.6_Graphing_Combinations_of_Functions__media__c0500ef3-9e0c-458c-9a75-7c165f17c9c2.PNG" style="vertical-align:middle;" />, and 
and 
. Show the graph of 
, 
. (Make sure your calculator is set to radian mode.)
?
?
A. ?
B. ?
C. ?
D. ?
E. ?