Solve the problem.How many different three-digit numbers can be written using digits from the set {2, 3, 4, 5, 6} without any repeating digits?
A. 10
B. 60
C. 120
D. 20
Answer: B
Mathematics
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For the compound inequality, give the solution set in both interval and graph forms.x ? 4 or x ? 7
A. (4, 7)
B. [-7, -4]
C. (-4, 7)
D. (-?, 4] ? [7,?)
Mathematics
Solve the problem.Approximate the area under the graph of f(x) = 2x + 3 from 0 to 2 by partitioning the interval into 2 subintervals of equal length and choosing t to be the right endpoint.
A. 18 B. 24 C. 12 D. 11
Mathematics
Perform the indicated operation. Simplify if possible.
+ 
A. 1
B. 
C. 
D. 
Mathematics
Find the equation of the tangent line to the curve when x has the given value.f(x) = 
; x = -2
A. y = 2x + 8 B. y = 8x + 2 C. y = 6x + 8 D. y = 8x + 6
Mathematics