Solve the problem.What is the range of the tangent function?
A. all real numbers
B. all real numbers greater than or equal to 1 or less than or equal to -1
C. all real numbers, except odd multiples of 
(90)°
D. all real numbers from -1 to 1, inclusive
Answer: A
Mathematics
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Simplify the expression.(
- 
)(
- 
)
A. 
- 
- 25
+ 9
B. x
- x
- 5
+ 3
C. 
- 
- 15
+ 3
D. 
- 
- 5
+ 3
Mathematics
Evaluate the radical expressions or indicate that the root is not a real number.
A. 2 B. -2 C. -8 D. Not a real number
Mathematics
Use a calculator to find the approximate value of the expression rounded to two decimal places.cos 3°
A. -1.11 B. 0.88 C. -0.99 D. 1.00
Mathematics
Find the vertex.f(x) = x2 - 4x + 14
A. (10, 2) B. (2, 10) C. (0, 2) D. (10, 0)
Mathematics