Graph the function defined by a radical expression.f(x) = 
A. 
B. 
C. 
D. 
Answer: D
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Which of the following is not true about congruent triangles??
A. ?If two sides are given with an angle between them for one triangle, and the same information exists for the other triangle, then the triangles are congruent. B. ?If two triangles all have the same given sides, then they are congruent. C. ?If two triangles have the same angles, then they are congruent. D. ?If one triangle has two angles with a side between the angles, and the other triangle has the same information, then they are congruent. E. ?If one triangle has three angles and one side, and the other triangle has the same three angles and the same given side, then they are congruent. F. ?None of the above.
Evaluate the function f at the indicated value.
{6x + 7, if x ? 04 - 3x, if 0 < x < 3x, if x ? 3
A. 4 B. 31 C. 3 D. -8
Solve the problem.A person ordering a certain model of car can choose any of 9 colors, either manual or automatic transmission, and any of 8 audio systems. How many ways are there to order this model of car?
A. 152 B. 144 C. 140 D. 154
Sketch the graph and show all local extrema and inflection points.y = x
4
A. Absolute minimum: (10, 0)
No inflection points
B. Absolute maximum: 
Absolute minimum: (10, 0)
Inflection points: 
C. Local maximum: 
Local minimum: (10, 0)
Inflection points: 
, (10, 0)
D. Local maximum: 
Local minimum: (10, 0)
Inflection point: 
