Find the indicated function.Functions f and g are defined by the table. Find f + g. 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.The decay of 978 mg of an isotope is given by 
where t is time in years. Find the amount left after 
A. 144 B. 946 C. 140 D. 72
Mathematics
Use the given value of k to complete the table for the direct variation model
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.
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Plot the points on a rectangular coordinate system.
x
8
10
12
14
16
A. ?
| x | 8 | 10 | 12 | 14 | 16 |
 | 128 | 200 | 288 | 392 | 512 |
?
B. ?
| x | 8 | 10 | 12 | 14 | 16 |
 | 8 | 10 | 12 | 14 | 16 |
?
C. ?
| x | 8 | 10 | 12 | 14 | 16 |
 | 128 | 128 | 128 | 128 | 128 |
?
?
?
D. ?
| x | 8 | 10 | 12 | 14 | 16 |
 | 512 | 392 | 288 | 200 | 128 |
?
?
E. ?
| x | 8 | 10 | 12 | 14 | 16 |
 | 128 | 200 | 288 | 200 | 128 |
?
Mathematics
Solve the inequality, then graph the solution.-22 < -5b + 3 ? -2
A. [1, 5)
B. [-5, -1)
C. (1, 5]
D. (-5, -1]
Mathematics
Determine all values that cause the expression to be undefined.
A. 9 B. None C. -9 D. 9, 5
Mathematics