Solve the inequality.x2 - 9 ? 0
A. [-3, 3]
B. (-?, -9] or [9, ?)
C. (-?, -3] or [3, ?)
D. [-9, 9]
Answer: A
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Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 5x2 + 3x + 2
A. 10x + 10h + 3; 5x - 5a - 3 B. 10x + 5h + 3; 5x + 5a + 3 C. 10x2 + h; 25x + 25a + 3 D. 10x + 3h + 2; 10x + 10a + 3
Match the system of inequalities with a graph.y ? x - 6,y ? x
A. 
B. 
C. 
D. 
Let the function src="https://sciemce.com/media/3/ppg__cognero__2.1_Functions_and_Function_Notation__media__620b6c73-5970-497a-ae50-76824265aa75.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_cfb8b42e63b84f9cabc23f990" />.
be defined by 
, where x and 
are real numbers. Find
?
Fill in the blank(s) with the appropriate word(s).
Two sides and an angle are given. First, determine whether the given information results in no triangle, one triangle, or two triangles. Solve each resulting triangle.A = 30°, a = 18, b = 36
A. one triangle; B = 60°, C = 60°, c = 31.2 B. no triangle C. one triangle; B = 60°, C = 90°, c = 31.2 D. one triangle; B = 90°, C = 60°, c = 31.2