1) Katie is a writer in customer relations. She has twenty-five letters to respond to this week, and she wants to respond to four today. How many can Katie choose four letters to respond to? A)75,900
B) 25, 300
C) 303,600
D)12,650
2. Which quadratic fuction represents the sequence of partial sums of the arthmetic series below?
A) f(x)= 2x^2-4x
B) f(x)=-2^2-12x
C) F(x)= -2x^2
D) f(x)= -2x^2-12x-12
3. Find the sum of these series shown below:
3 + (-6) + (-15) + .... + (-240)
A) -6,636
B) -3,318
C) -3,360
D) -3,444
**I am not trying to cheat, I just need help with a few problems. Please and thank you.**
B) 25, 300
C) 303,600
D)12,650
2. Which quadratic fuction represents the sequence of partial sums of the arthmetic series below?
A) f(x)= 2x^2-4x
B) f(x)=-2^2-12x
C) F(x)= -2x^2
D) f(x)= -2x^2-12x-12
3. Find the sum of these series shown below:
3 + (-6) + (-15) + .... + (-240)
A) -6,636
B) -3,318
C) -3,360
D) -3,444
**I am not trying to cheat, I just need help with a few problems. Please and thank you.**
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1. B) 25,300