Indicate whether the graph is the graph of a function.
 figure 1.png)
B) Not a function
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First use front-end rounding to write an estimate of the answer, and then add the decimals to obtain an exact answer.EstimateProblem
? 
A. Estimate: 59, exact: 55.67 B. Estimate: 59, exact: 65.67 C. Estimate: 60, exact: 66.67 D. Estimate: 59, exact: 64.67
Solve the problem using the information given in the table and the retail inventory method. Round dollar amounts to the nearest cent.Find the cost ratio, rounded to the nearest hundredth. 
A. 1.43 B. 0.86 C. 0.07 D. 0.70
Write the number in words.135,060
A. One hundred thirty-five thousand, sixty B. Thirteen thousand, five hundred six C. One million, thirty-five thousand, sixty D. Thirteen thousand, five hundred sixty
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists.x + y + z= 7x - y + 2z=72x + 3z=14
A. {(- 
+ 7, 
, z)}
B. {(- 
- 7, 
, z)}
C. {(- 
- 7, 2z, z)}
D. {(- 
+ 7, 2z, z)}