Solve.If a five-sided die is rolled four times, how many different four-digit sequences are possible?
A. 120
B. 5
C. 20
D. 625
Answer: D
Mathematics
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = cos x + 1, [0, 2?], right-hand endpoint
A. 
B. 
C. 
D. 
Mathematics
Evaluate the function.Find f(k - 1) when f(x) = 5x2 + 5x + 5
A. 5k2 - 5k + 5 B. 5k2 + 30k + 15 C. -5k2 + 5k + 5 D. 5k2 - 5k + 15
Mathematics
Find the distance on the number line between the pair of numbers.-20, 8
A. 28 B. -12 C. 12 D. -28
Mathematics
Solve.x + 
= 
A. 1
B. 
C. 
D. 
Mathematics