Write the decimal as a percent.0.57
A. 5.7%
B. 0.057%
C. 570%
D. 57%
Answer: D
Mathematics
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Find T, N, and B for the given space curve.r(t) = 
(1 + t)3/2i + 
(1 - t)3/2j + 2tk
A. T = 
i + 
j + 
k; N = 
i + 
j; B = 
i + 
j + 
k
B. T = 
i - 
j + 
k; N = 
i + 
j; B = - 
i + 
j + 
k
C. T = 4
i - 4
j + 2k; N = 3
i + 3
j; B = - 1
i + 1
j + 4
k
D. T = 
i - 
j + 
k; N = 
i + 
j ; B = - 
i + 
j + 
k
Mathematics
Evaluate the function.If f(x) = x2 - 3x + 5, find f(4).
A. -1 B. 9 C. 33 D. 23
Mathematics
Solve over the interval [0, 2?).f(x) = cos2 x - sin2 x - 1, f(x) > 0
A. 
? 
? 
B. [0, 2?)
C. ?
D. (0, ?) ? (?, 2?)
Mathematics
Use the properties of logarithms to rewrite and simplify the logarithmic expression. ? log2 (42 · 74) ?
A. 4 + 9 log2 4 B. 9 + 4 log2 4 C. 2 + 2 log2 7 D. 4 + 4 log2 7 E. 2 + 4 log2 7
Mathematics