Determine any data values that are missing from the table, assuming that the data represent a linear function.
A. Missing x: 1; missing y: 1
B. Missing x: 1; missing y: 4
C. Missing x: 2; missing y: 4
D. Missing x: 1; missing y: 5
Answer: B
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Solve the problem.The expression 0.60(226 - a - r) + r is used to obtain the target heart rate for a cardiovascular workout for a nonathletic female with age a and resting heart rate r. The accompanying table shows the target heart rate for a 19-year-old nonathletic female for various resting heart rates. Find the missing entries. 
A. 155; 157.4 B. 154.6; 158.6 C. 153.8; 156.6 D. 154.2; 158.2
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 2x - 2; relative to f(x) = 2x
A. Moved left 2 unit(s)
B. Moved up 2 unit(s)
C. Moved down 2 unit(s)
D. Moved right 2 unit(s)
Find the sum.
A. 34 B. 22 C. 30 D. 39
Multiply and simplify.27 
A. 9
B. -9
C. 
D. -81