Solve the problem.A business estimates that the salvage value V of a piece of machinery after t years is given by 
After what amount of time will the salvage value be $639?
A. After 9.6 years
B. After 10.6 years
C. After 11.6 years
D. After 8.6 years
Answer: A
Mathematics
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Find only the rational zeros.f(x) = 4x3 + 5x2 - 23x - 6
A. 3, -2, 1
B. -3, 2, -1
C. -3, 2, - 
D. 3, -2, 
Mathematics
Insert the symbol < or > to make the statement true.7.5 
-5.2
A. 7.5 > -5.2 B. 7.5 < -5.2
Mathematics
Evaluate the expression, if possible.-
A. -9 B. -14 C. not a real number D. -7
Mathematics
State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 5
A. No; it contains no variables B. Yes; degree 0 C. Yes; degree 1 D. No; it is a constant
Mathematics