Find the unit vector in the same direction as the given vector.v = 12i - 5j
A. u = 
i - 
j
B. u = 
i - 
j
C. u = 156i - 65j
D. u = 
i - 
j
Answer: B
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For the function find the maximum number of real zeros that the function can have, the maximum number of x-intercepts that the function can have, and the maximum number of turning points that the graph of the function can have. f(x) = 2x3 + 2x2 - 9x + 4
A. 3; 3; 2 B. 2; 2; 1 C. 3; 2; 1 D. 3; 3; 3
Solve using both the addition and multiplication properties of equality.8m + 8 = 4m + 36
A. m = 7 B. m = 9 C. m = -9 D. m = -7
Graph f as a solid line and f-1 as a dashed line in the same rectangular coordinate space. Use interval notation to give the domain and range of f and f-1.f(x) = x2 - 7, x ? 0
A. 
f domain = (-?, ?); range = (-7, ?)
f-1 domain = (-?, ?); range = (7, ?)
B. 
f domain = (0, ?); range = (-7, ?)
f-1 domain = (0, ?); range = (7, ?)
C. 
f domain = (0, ?); range = (-7, ?)
f-1 domain = (0, ?); range = (-7, ?)
D. 
f domain = (-?, ?); range = (-7, ?)
f-1 domain = (-?, ?); range = (-7, ?)
Solve the equation by first clearing the fractions.- 
+ z = 
A. {-1}
B. {1}
C. 
D. 