Find the axis of symmetry of the function.f(x) = 3x2 - 24x + 53
A. x = 5
B. x = -5
C. x = 4
D. x = -4
Answer: C
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = - 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.How many four-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, if repetitions of digits are allowed?
A. 9000 B. 256 C. 8999 D. 10,000
Mathematics
Write the quotient in the form a + bi.
A. - 
- 
i
B. 
+ 
i
C. - 
- 
i
D. 
- 
i
Mathematics
Solve the problem. Round answer to the nearest tenth, if appropriate.A parking lot measures 
by 
. A sidewalk of uniform width is to completely surround the lot. If the sidewalk can cover 
, how wide will the sidewalk be?
A. 2.5 ft B. 2 ft C. 3 ft D. 1.5 ft
Mathematics