Provide an appropriate response.When the numerator is the same as the denominator, for example 
, the fraction is called a(n) 
fraction.
A. whole
B. proper
C. uncommon
D. improper
Answer: D
Mathematics
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Find T, N, and B for the given space curve.r(t) = (7 + t)i + (9 + ln(sec t))j - 7k, -?/2 < t < ?/2
A. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j ; B = -k B. T = (cos t)i - (sin t)j; N = (-sin t)i - (cos t)j ; B = -k C. T = (-cos t)i - (sin t)j; N = (-cos t)i + (sin t)j ; B = k D. T = (cos t)i + (sin t)j; N = (- sin t)i + (cos t)j ; B = k
Mathematics
Solve the compound inequality. Other than ?, graph the solution set on a number line.5x - 9 ? -19 and 5x - 4 ? 11
A. [-2, 3]
B. [3, ?)
C. [-2, ?)
D. (-?, -2] ? [3, ?)
Mathematics
Express as a single logarithm and, if possible, simplify.
ln x - ln 3
A. ln(
- 3)
B. ln
C. ln 
D. ln
Mathematics
Factor completely.9x2 + 25
A. (3x - 5)2 B. (3x + 5)2 C. Prime D. (3x + 5)(3x - 5)
Mathematics