Find the domain of the function.f(x) = 4x + 1
A. x ? 4
B. x ? - 
C. All real numbers
D. x ? 1
Answer: C
Mathematics
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Use Pascal's triangle to answer the question.Guess a formula for the sum of the entries in the nth row of Pascal's triangle.
A. 2n + 1 B. 2n-1 C. 2n - 1 D. 2n
Mathematics
Simplify.log e e
A. 12log e e
B. log e 12
C. log 
D. 
Mathematics
Approximate the area under the curve and above the x-axis using n rectangles. Use the midpoints of the rectangles.f(x) = x2 - 3x + 4 from x = 1 to x = 5; n = 4
A. 23.75 B. 22 C. 13 D. 21
Mathematics
Factor out a factor with a negative coefficient.-12x + 120
A. 12(x + 120) B. 12(x + 10) C. -12(x - 10) D. -12x(-9)
Mathematics