Write an algebraic expression to answer the question and simplify.The value of a laptop computer bought new for $1500 decreases by $110 per year. What is the value of the laptop after t years?

A. 1500 - 110t dollars
B. 1500t - 110 dollars
C. 110t + 1500 dollars
D. 110t - 1500 dollars


Answer: A

Mathematics

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Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.y = x2 - 2x - 3

A. vertex (1, - 4); 
x-int: (1, 0) and (3, 0); 
y-int: (0, -3)

B. vertex (- 1, - 4); 
x-int: (-3, 0) and (1, 0); 
y-int: (0, 3)

C. vertex (1, - 4); 
x-int: (-1, 0) and (3, 0); 
y-int: (0, -3)

D. vertex (- 1, - 4); 
x-int: (-3, 0) and (1, 0); 
y-int: (0, -3)

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Find the domain of the given function.f(x) = 

A. all real numbers x where x ? - 2
B. all real numbers x where x ? 
C. all real numbers x where x > - 
D. all real numbers x where x > 2

Mathematics

Evaluate the expression.

A. 6 B. 1 C. 15 D. 0!

Mathematics

Which fraction appears in the partial fraction decomposition of   ? ?

A.
B.
C.
D.
E.

Mathematics