Solve.5x2 - 3x = -4
A. - 
± 
i
B. 
± 
i
C. 
± 
D. - 
± 
Answer: B
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Determine whether the relation represents a function. If it is a function, state the domain and range.
A. function domain:{16, 20, 24, 28} range: {4, 5, 6, 7} B. function domain: {4, 5, 6, 7} range: {16, 20, 24, 28} C. not a function
Add or subtract as indicated. Simplify the result, if possible.
+ 
A. 
B. 0
C. - 
D. 
List the intercepts of the graph.Tell whether the graph is symmetric with respect to the x-axis, y-axis, origin, or none of these. 
A. intercepts: (2, 0) and (-2, 0 symmetric with respect to y-axis B. intercepts: (0, 2) and (0, -2) symmetric with respect to x-axis, y-axis, and origin C. intercepts: (0, 2) and (0, -2) symmetric with respect to origin D. intercepts: (2, 0) and (-2, 0) symmetric with respect to x-axis, y-axis, and origin
Write the vector v in the form v1i + v2j, given 
and the direction angle ? of v.
= 13, ? = 
A. - 
i - 
j
B. 
i + 
j
C. - 
i - 
j
D. - 
i - 
j