For the given f(x) and g(x), evaluate the expression.f(x) = 
, g(x) = 
;
(f - g)(x)
A. 2
B. 24
C. 2
D. 2x
Answer: C
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Consider the differential equation. A detailed direction field is not needed. Find the solutions that are constant, for all 
(the equilibrium solutions). In what regions are solutions increasing? Decreasing?y'(t) = (y - 7)(7 + y)
A. y = 7; increasing for 
> 7; decreasing for 
< 7
B. y = -7; increasing for 
< 7; decreasing for 
> 7
C. y = 7, y = -7; increasing for 
> 7; decreasing for 
< 7
D. y = 7, y = -7; increasing for 
< 7; decreasing for 
> 7
Rationalize the denominator. Assume that all variables represent nonnegative numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
Find the domain of the rational function.g(x) = 
A. {x|x ? -2, 2} B. {x|x ? 4} C. {x|x ? 2} D. {x|x ? -2}
Determine whether the statement is true or false.If a is a negative number, -
is a negative number.
A. False B. True