Describe the domain of the function f(x) = 
.
A. x ? -1, -3, and f(2) = 1
B. x ? 1 , and f(0) = 
C. x ? 1, 3
D. x = 1, 3
E. none of these
Answer: C
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Solve the differential equation subject to the given condition. Note that y(a) denotes the value of y at t = a. 
= - 2.5y, y(0) = 4826
A. y = 4826t-2.5 B. y = e-2.5t + 4826 C. y = -4826e2.5t D. y = 4826e-2.5t
Determine whether the expression is a monomial. If it is a monomial, state the coefficient and degree.7x4 - 2
A. not a monomial B. monomial; coefficient 2; degree 4 C. monomial; coefficient 7; degree 1 D. monomial; coefficient 7; degree 4
Solve the problem by estimating.In 1999, the population of Capital City was 8,075,831 and the population of Spring City was 1,942,652.. Round each population to the nearest hundred-thousand to estimate the difference in the populations of the two cities.
A. 6,133,000 B. 6,300,000 C. 6,100,000 D. 6,200,000
Simplify.
A. 
B. 
C. 
D. 