Evaluate the expression using the values given in the table.(f?g)(3)
A. 5
B. 11
C. 3
D. Undefined
Answer: C
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Find the principal unit normal vector N for the curve r(t).r(t) = (3 + t)i + (7 + ln(cos t))k, -?/2 < t < ?/2
A. N = (-sin t)i - (cos t)k B. N = (-cos t)i - (ln(cos t))k C. N = (-cos t)i - (tan t)k D. N = (cos t)i + (sin t)k
What is the minimum value of 
? Restrict your attention to the horizontal span of 0 to 10. Round your answer to two decimal places.
?
A. 30.15 B. 6.11 C. 33.72 D. 4.22
Let v and w be two vectors in the plane with given magnitudes. The angle between v and w is ?. Find the expression. Round the answer to the nearest tenth.
= 8, 
= 5, ? = 60°
Find the angle between v - w and v
A. 81.8° B. 22.3° C. 37.4° D. 38.2°
Solve the equation by completing the square.x2 + 5x - 5 = 0
A. 
B. 
C. 
D. {-5 - 3
, -5 + 3
}