Use properties of limits to find the indicated limit. It may be necessary to rewrite an expression before limit properties can be applied.
(x2 - 5)
A. does not exist
B. 5
C. 0
D. -5
Answer: D
Mathematics
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Use a graphing calculator to find the vertex of the graph of the function.f(x) = x2 + x + 3
A. (-0.5, 3) B. (-0.5, 2.75) C. (0.5, 2.75) D. (0.5, -2.75)
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Solve the absolute value inequality. Write the solution set using interval notation.8
? 9
A. 
? 
B. 
C. 
? 
D. 
? 
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Solve and, when appropriate, round the answer to the nearest tenth.The radius of a sphere depends on its surface area, S, and is given by the formula r = 
.What is the surface area of a sphere with radius of 6.2 inches?Use 3.14 for ?.
A. 120.7 square inches B. 482.8 square inches C. 77.9 square inches D. 19.5 square inches
Mathematics
Find the exact value of the expression.
A. - 
B. 
C. 
D. - 
Mathematics