Find the exact value of y, or state that y is undefined.y = cos-1 (4)
A. 4
B. ?
C. 0
D. undefined
Answer: D
Mathematics
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Simplify, if possible.
A. -1
B. 
C. 1
D. -3x
Mathematics
Find the requested probability.A box contains the eleven letters PROBABILITY. Four letters are drawn one by one with replacement and recorded in order. What is the probability that the outcome is TAIL?
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response. If the digit to the right of the number that you are rounding is less than 5:
A. keep the number the same B. round the number up C. round the number down D. add 1 to the number
Mathematics
Use the slope and y-intercept to graph the linear function.F(x) = 
x
A. 
B. 
C. 
D. 
Mathematics