Solve.A company has just purchased a new computer for $8000. The company chooses to depreciate the computer using the straight-line method over 8 years. Find a linear function that expresses the book value V of the computer as a function of its age x.
A. V(x) = 1000x + 8000
B. V(x) = -1000x + 8000
C. V(x) = - 8000x + 1000
D. V(x) = -1200x + 8000
Answer: B
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The level of ozone, an invisible gas that irritates and impairs breathing, present in the atmosphere on a certain May day in the city was approximated by
?
where 
is measured in pollutant standard index (PSI) and t is measured in hours, with 
corresponding to 
a.m.
?
Use the second derivative test to find the approximate value of t where the function A has a relative maximum. Round to the nearest integer.
?
A. 
B. 
C. 
D. 
E. 
What is the meaning of the expression?52
A. 7 B. 2 ? 5 C. 3 D. 5 ? 5
Solve the problem.Mark has $75 to spend on salmon at $5.00 per pound and/or chicken at $3.00 per pound. If he buys s pounds of salmon and c pounds of chicken, the equation 5s + 3c = 75 must be satisfied. How much salmon did Mark buy if he bought 5 pounds of chicken?
A. 12 lb B. 19 lb C. 17 lb D. 16 lb
Change the logarithmic expression to an equivalent expression involving an exponent.ln 
= -5
A. 
e = -5
B. 
-5 = e
C. e-5 = 
D. -5e = 