Decide whether the relation is a function.?
?
A. Function
B. Not a function
Answer: A
Mathematics
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A water source is contaminated with a toxic chemical and is being cleaned. The amount of chemical, in grams, remaining t hours after the cleaning process began is given by
?
.
?
How much of the chemical is removed from time 
to time 
?
?
A. 361.43 grams
B. 4.17 grams
C. 24.34 grams
D. 19.99 grams
Mathematics
Provide an appropriate response.Multiply: 
× 
× 
A. 
B. 
C. 
D. 
E. none of the above
Mathematics
Find the opposite (additive inverse) of the number.26
A. -26
B. 26
C. 
D. 0
Mathematics
Multiply.
? 
? 
? 48
A. 
B. 71
C. 1200
D. 
Mathematics