Add or subtract by first simplifying each radical and then combining any like radical terms. Assume that all variables represent positive real numbers.
+ x
A. x2
+ 3x
B. 4x
C. 4
D. x(
+ 
)
Answer: B
Mathematics
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Provide an appropriate response.Solve the following equation (round to nearest hundredth): 0.16x = 200 - x
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the variation equation for the variation statement.y varies inversely as the square of x; y = 4 when x = 2
A. y = 
B. y = 
C. y = 
D. y = 
Mathematics
Determine the amplitude or period as requested.Period of y = -2 cos x
A. 
B. 2?
C. 2
D. ?
Mathematics
Find a formula for the inverse of the function described below.A size 2 dress in Country C is size 32 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 
B. f-1(x) = x + 30
C. f-1(x) = 
D. f-1(x) = x - 30
Mathematics