Find the vertical asymptotes of the rational function.f(x) = 
A. x = -1, x = 4
B. x = 1, x = -4
C. x = -1, x = -4
D. x = -1
Answer: D
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Solve the problem.Roberto invested some money at 6%, and then invested $3000 more than twice this amount at 10%. His total annual income from the two investments was $3160. How much was invested at 10%?
A. $2500 B. $22,000 C. $25,000 D. $9000
Solve the given differential equation (where the function is subject to the given conditions) by using Laplace transforms.y" + y = 4, y
= 2, y' 
= 2
A. y = 6 cos t + 2 sin t + 4 B. y = -2 sin t + 2 cos t + 4 C. y = -2 cos t + 2 sin t + 4 D. y = sin t + 1
Which property or identity justifies the statement?Exactly one of the following holds:
< 
, 
= 
, or 
> 
.
A. Trichotomy Identity B. Closure Property C. Density Property D. Transitive Property
Use the Distributive Property to find the product.(x + 6)(x - 2)
A. x2 + 4x - 12 B. x2 + 3x - 12 C. x2 - 12x + 4 D. x2 + 4x + 3