When directed distance is increasing, what can be said about velocity?
A. Velocity is positive.
B. Velocity is negative.
C. Velocity is 0.
D. Velocity is increasing.
Answer: A
Mathematics
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Find the inverse of the function.f(x) = 
A. f-1(x) = 
B. Not a one-to-one function
C. f-1(x) = (x - 2)2
D. f-1(x) = x2 + 2, x ? 0
Mathematics
Write an inequality using the variable x that corresponds to the set graphed on the number line.
A. x ? 6 B. x > 6 C. x ? 6 D. x < 6
Mathematics
Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = xln x
A. 2xln x - 1ln x
B. 
2
C. 
D. xln x - 1ln x
Mathematics
Find the mean of the set of data. Round to the nearest tenth.229, 221, 213, 213, 213, 213, 221, 215, 215, 215, 221, 221
A. 217.7 B. 217.5 C. 218.4 D. 217.2
Mathematics