Solve the system of equations.x2 - y2 = 39x - y = 3
A. (-8, -5)
B. (-8, 5)
C. (8, 5)
D. (8, -5)
Answer: C
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Solve the problem.If $1000 is invested at the end of each year in an annuity that pays 8%, compounded annually, the number of years it takes for the future value to amount to $22,000 is given by 
Use the change of base formula to find the number of years until the future value is $22,000, to the nearest tenth of a year.
A. 67.3 years B. 74.4 years C. 65.0 years D. 72.3 years
Solve.
= 
A. 
B. 
C. 
D. 
Prove that the identity is true.
?
What will be an ideal response?
Give the appropriate ?-? definition of the statement.
f(x) = L
A. For each given number ? > 0, there is a corresponding ? > 0, such that for all x,
0 < 
< ? ? 
> ?.
B. For each given number ? > 0, there is a corresponding ? > 0, such that for all x,
0 < 
< ? ? 
> ?.
C. For each given number ? > 0, there is a corresponding ? > 0, such that for all x,
0 < 
< ? ? 
< ?.
D. For each given number ? > 0, there is a corresponding ? > 0, such that for all x,
0 < 
< ? ? 
< ?.