Graph the set on a number line.(-2, 2]
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the unit tangent vector of the given curve.r(t) = 12t4i - 4t4j + 3t4k
A. T = 
i + 
j + 
k
B. T = 
i - 
j + 
k
C. T = 
i - 
j - 
k
D. T = 
i - 
j + 
k
Mathematics
Identify where f is increasing and where f is decreasing.f(x) = 
A. increasing: [-4, ?); decreasing: (-?, -4] B. increasing: (-?, 4]; decreasing: [4, ?) C. increasing: (-?, -4]; decreasing: [-4, ?) D. increasing: [4, ?); decreasing: (-?, 4]
Mathematics
Tell whether each of the following statements is true or false.
a. {Real} ? {Integers} b. {Naturals} ? {Real}
Mathematics
Use a graphing utility and the change-of-base formula to graph the function.y = log3 x
A. 
B. 
C. 
D. 
Mathematics