Determine whether the given information is consistent with a probability distribution.
?
; 
; 
?
A. Yes
B. No
Answer: A
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Find the unit tangent vector T and the principal unit normal vector N. r(t) = (6t sin t + 6cos t)i + (6t cos t - 6 sin t)j - 6k
A. T = (cos t)i - (sin t)j; N = (-sin t)i - (cos t)j B. T = (cos t)i + (sin t)j; N = (-sin t)i + (cos t)j C. T = (-cos t)i - (sin t)j; N = (sin t)i + (cos t)j D. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j
Integrate the function.
A. 
+ C
B. 
+ C
C. - 
+ C
D. - 
+ C
The boundary of the graph of the linear inequality will be a _____ line, and the shading will be _____ the line. Fill in the first blank with either solid or dashed. Fill in the second blank with above or below.y > -3x + 
A. dashed; above B. solid; below C. dashed; below D. solid; above
Solve the problem.Cindy has scores of 73, 83, 85, and 89 on her biology tests. Use a compound inequality to find the range of scores she can make on her final exam to receive a C in the course. The final exam counts as two tests, and a C is received if the course average is between 70 and 79.
A. 10 ? final score ? 32.5 B. 45 ? final score ? 72 C. 90 ? final score ? 144 D. 70 ? final score ? 79