Find the function value.Let f(x) = e-x. Find f(3.9), rounded to four decimal places.
A. 10.6013
B. 1.4347
C. 49.4024
D. 0.0202
Answer: D
Mathematics
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List all the subsets of the set given.{13}
A. { } B. {13} C. {0}, {13}, { } D. {13}, { }
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Write the number in scientific notation.154,000
A. 1.54 × 105 B. 1.54 × 10-1 C. 1.15400 × 103 D. 4.620 × 105
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Simplify the expression by combining like terms.-3wz + 23wz
A. 26wz
B. 20w2z2
C. 
wz
D. 20wz
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Rationalize the numerator of the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics