Solve the problem.What is the difference between a daytime temperature of 19 degrees Fahrenheit and a nighttime temperature of -7 degrees Fahrenheit? Represent the answer as an integer.
A. -26°F
B. 12°F
C. -12°F
D. 26°F
Answer: D
Mathematics
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Graph and shade the given inequality.x ? 4
A. 
B. 
C. 
D. 
Mathematics
The present value of a perpetual stream of income that flows continually at the rate of P(t) dollars per year is given by the formula
?
?
where r is the interest rate compounded continuously. Using this formula, find the present value of a perpetual net income stream that is generated at the rate of
?
?
dollars per year.
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Hint: 
.
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Determine whether the relation is or is not a function.DomainRange 
A. Function B. Not a function
Mathematics
Identify the conic section represented by the equation.x2 + y2 + 10x - 6y + 27 = 0
A. circle B. parabola C. ellipse D. hyperbola
Mathematics