If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."{(1, 11), (-13, 11), (-5, -7)}
A. Not one-to-one
B. {(1, 11), (11, -13), (-7, -5)}
C. {(11, 1), (11, -13), (-7, -5)}
D. {(11, 1), (-5, -13), (-7, 11)}
Answer: A
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Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.x2 + 3x + 7 = 0
A. Two different real-number solutions B. Two different imaginary-number solutions C. One real solution
Use the compound interest formula to compute the total amount accumulated.$1810 for 4 years at 2% compounded annually
A. $1918.60 B. $1959.20 C. $1920.79 D. $1954.80
Solve the equation.
- 
= 
A. { -4 }
B. { 
}
C. { 1 }
D. { -1 }
Solve the problem.Ron finds 8 books at a bookstore that he would like to buy, but he can afford only 5 of them. In how many ways can he make his selection? How many ways can he make his selection if he decides that one of the books is a must?
A. 3360; 420 B. 6720; 840 C. 336; 210 D. 56; 35