Use a proportion to solve the problem.If a spring stretches 3 meters when a 5-kilogram weight is attached to it, how much will it stretch when a 10-kilogram weight is attached to it?
A. 8 meters
B. 5 meters
C. 9 meters
D. 6 meters
Answer: D
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Provide an appropriate response.Which of the following is not a condition for applying the integral test to the sequence {an}, where 
I. f(x) is everywhere positive II. f(x) is decreasing for x ? N III. f(x) is continuous for x ? N
A. I only B. III only C. II only D. All of these are conditions for applying the integral test.
Provide an appropriate response.If f(t) = (t + 4)2, then f(t - 3) =
A. t2 + 2t + 1. B. t2 + 8t + 13. C. t2 + 8t + 19 D. t2 + 4t + 13. E. t2 + 1 + 1.
Find the LCD. Do not combine fractions.
, 
A. (5x - 7) or (5x + 7) B. 6x(3x + 10)(5x - 7)(5x + 7) C. (5x - 7)(5x + 7) D. 6x(3x + 10)
Perform the operation and simplify, or solve the equation for the variable.
? 
A. 
B. 
C. 
D. 