Find the sum. Simplify when necessary.
+ 
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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Determine whether the function is one-to-one.
A. Yes B. No
Mathematics
Find the exact value of the expression.tan 345°
A. 
B. 2 + 
C. -2 - 
D. 
Mathematics
Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.4x2 - 3x - 7 = 0
A. x = 
, -1
B. x = 
, 1
C. x =
, -1
D. x = 
, 1
Mathematics
Solve the problem.How long will it take for $1500 to grow to $1600 at an interest rate of 7.9% if the interest is compounded continuously? Round the number of years to the nearest hundredth.
A. 7.9 yr B. 81.69 yr C. 0.08 yr D. 0.82 yr
Mathematics