Find all the permutations of the set.How many permutations are there of a ten-element set?
A. 10
B. 3,628,800
C. 100
D. 10,000,000,000
Answer: B
Mathematics
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Find the largest open interval where the function is changing as requested.Decreasing f(x) = 
A. (-4, ?) B. (-?, -4) C. (4, ?) D. (-?, 4)
Mathematics
Graph the polar equation.r2 = 16 sin (2?)
A. 
B. 
C. 
D. 
Mathematics
Find all of the real and imaginary roots, stating the multiplicity of each.x4 - 18x2 + 32 = 0
A. 16 with multiplicity 1
2 with multiplicity 1
B. 16 with multiplicity 1
-
with multiplicity 1
with multiplicity 1
C. -4 with multiplicity 1
4 with multiplicity 1
-
with multiplicity 1
with multiplicity 1
D. -4 with multiplicity 1
4 with multiplicity 1
-
with multiplicity 1
Mathematics
Evaluate the expression for the given value.7x2 when x = 5
A. 245 B. 175 C. 70 D. 1225
Mathematics