Find the limit as x approaches c of the average rate of change of the function from c to x.c = 7; f(x) = 2x2 + 4
A. 32
B. 98
C. Does not exist
D. 28
Answer: D
Mathematics
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Solve the problem.Give the measure of the acute angle: 32°, 90°, 111°, 180°.
A. 111° B. 180° C. 90° D. 32°
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Solve the problem.The function A described by A(s) = s2 
gives the area of an equilateral triangle with side s. Find the area when a side measures 14 cm. Express your answer in radical form.
A. 7
cm2
B. 49
cm2
C. 3.5
cm2
D. 147 cm2
Mathematics
Find the domain of the function.g(x) = 
A. (-?, 0) B. (-?, -7) ? (-7, ?) C. (0, ?) D. (-?, 7) ? (7, ?)
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Multiply and express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics