Select from the list of numbers all that belong to the specified set.Real numbers7, 
, -9, 0, 
, 
, 
A. 7, -9, 0, 
, 
B. 7, -9, 0, 
, 
C. 7, 
, -9, 0, 
, 
D. 7, -9, 0, 
Answer: C
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Solve the problem.A construction company buys a truck for $40,000. The truck is expected to last 15 years, at which time it will be worth $4000. Write a function v(x) that describes the value of the truck at any time during its lifetime. Be sure to state the domain of the function.
A. v(x) = 40 ,000 - 2400t, with domain 0 ? t ? 15 B. v(x) = 40 ,000 - 2500t, with domain 0 ? t ? 15 C. v(x) = 40 ,000 + 2400t, with domain 0 ? t ? 15 D. v(x) = 40 ,000 - 2300t, with domain 0 ? t ? 15
Between the pair of numbers, insert the appropriate sign: <, =, or >.
A. = B. < C. >
Solve the problem.The number of non-text books read by college students ranges from 6 to 44. Using B as the variable, write an absolute value inequality that corresponds to this range.
A. |B - 38| ? 6 B. |B - 19| ? 25 C. |B - 6| ? 38 D. |B - 25| ? 19
Simplify the complex fractions.
A. - 
B. - 
C. - 
D. - 