Solve the problem.What is the range of the secant function?
A. all real numbers from -1 to 1, inclusive
B. all real numbers
C. all real numbers greater than or equal to 1 or less than or equal to -1
D. all real numbers, except odd multiples of 
(90)°
Answer: C
Mathematics
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Name the conic (horizontal ellipse, vertical hyperbola, and so on) corresponding to the given equation.
= 
A. Vertical parabola B. Horizontal hyperbola C. Horizontal parabola D. Vertical hyperbola
Mathematics
Solve the equation.
+ 
= 
A. 3, 5 B. 4, 4 C. -3, -5 D. 2, 6
Mathematics
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Use the differential to find a decimal approximation of the radical expression. Round to four decimal places.
A. 9.9000 B. 9.9500 C. 9.8000 D. 9.7000
Mathematics