Solve the equation.
- 
= 
A. 
B. no solution
C. 
D. {3}
Answer: C
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Write an algebraic equation and use it to solve the problem.A promotional deal for long distance phone service charges a $15 basic fee plus $0.05 per minute for all calls. If Joe's phone bill was $57 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.
A. 2 minutes B. 1440 minutes C. 840 minutes D. 8 minutes
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.x2 + 10x + 16
A. (x - 2)(x + 8) B. (x + 2)(x + 8) C. (x - 2)(x + 1) D. Prime
Use the principle of mathematical induction to show that the mathematical statement is true for all natural numbers n.Sn: 6 + 12 + 18 + . . . + 6n = 3n(n + 1)
What will be an ideal response?
Find all values of x (if any) where the tangent line to the graph of the function is horizontal.y = 
x3 - 5x + 8
A. -5, 5
B. -
, 
C. 8 - 
, 8 + 
D. -8, 8