Add or subtract, as indicated. Assume that all variables represent positive real numbers.7
- 7
A. 1
B. 
C. 7
D. 0
Answer: D
Mathematics
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Sketch the logarithmic function.f(x) = - 
log3(x + 3) - 1 
A. 
B. 
C. 
D. 
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Draw a tree diagram for the experiment. Then use the diagram to find the number of possible outcomes.Spin the spinner once and roll a die. 
A. 9 B. 12 C. 36 D. 18
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Add.-3 + (-17)
A. -20 B. -14 C. 20 D. 14
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Simplify the expression. If any variables exist, assume that they are positive.8
- 5x
A. 13
B. 3x
C. 3x
D. 8
- 5x
Mathematics