Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Write the phrase as a mathematical expression. Use x as the variable.The sum of a number and 12
A. 12x
B. x - 12
C. 
D. x + 12
Mathematics
Write the fraction as a whole or mixed number.
A. 4
B. 6
C. 5
D. 5
Mathematics
Use the accompanying table to find the solutions to the given equation on 
sec2 ? - 2 sec ? = 0
Y1 = 1/(cos(X))2-2/cos(X)
A. None B. 0°, 120°, 180°, 240° C. 60°, 300° D. -1°
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 8x2 - 4, x ? 0
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = - 
D. f-1(x) = 
Mathematics