Find the unit vector having the same direction as v.v = 3i + 4j
A. u = 
i + 
j
B. u = 
i + 
j
C. u = - 
i - 
j
D. u = 15i + 20j
Answer: B
Mathematics
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Find the area of the figure using determinants.
A. 31.25 B. 29.75 C. 31.5 D. 30.0
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Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = x2 + 9
A. minimum; 0 B. maximum; 9 C. minimum; 9 D. maximum; 0
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Graph the two functions on one coordinate plane.f(x) = x3g(x) = x3 + 3
A. 
B. 
C. 
D. 
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