Without solving, determine the character of the solutions of the equation.x2 - 7x + 8 = 0
A. a repeated real solution
B. two complex solutions that are conjugates of each other
C. two unequal real solutions
Answer: C
Mathematics
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The amount A, in grams, of a radioactive substance remaining after t years is given by 
.
What is the limiting value for the amount of the radioactive substance?
A. About 0.58 grams B. About 12.00 grams C. About 12.58 grams D. 0 grams
Mathematics
Convert the mixed number into an improper fraction.-15
A. - 31
B. - 10
C. - 240
D. - 
Mathematics
Graph the function.y = sin 
x 
A. 
B. 
C. 
D. 
Mathematics
Find the reciprocal.
A. 
has no reciprocal.
B. 
C. 4
D. -4
Mathematics