Find the requested characteristic.Find the period of y = - 2 tan 
x.
A. 
?
B. 
?
C. 
?
D. 2?
Answer: A
Mathematics
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Fill in the blank with one of the words or phrases listed below. 
A term that is a number only is called a(n) 
.
A. solution B. variable C. numerical coefficient D. constant
Mathematics
Write the number in scientific notation.409,000
A. 4.1 × 105 B. 4.1 × 10-5 C. 4.1 × 10-6 D. 4.1 × 106
Mathematics
Function f is 
.
?
Find 
.
?
A. 27 B. 31 C. 30 D. 18 E. 42
Mathematics
Solve.Find the perimeter of the rectangle whose length is 2
cm and width is 7
cm .
A. 18
cm
B. 5
cm
C. 9
cm
D. 9
cm
Mathematics