Use the following definitions to determine if the statement is true or false. N = {x : x is a natural number}I = {x : x is an integer}R = {x : x is a real number}W = {x : x is a whole number}Q = {x : x is a rational number}I is a proper subset of Q and R.
A. True
B. False
Answer: A
Mathematics
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Find the indicated matrix.Let A = 
. Find 3A.
A. 
B. 
C. 
D. 
Mathematics
Factor the trinomial completely.80z6 + 92z4 + 24z2
A. 4z2(4z2 + 3)(5z2 + 2) B. 4z2(5z2 - 2)(4z2 - 3) C. 4(4z4 + 3)(5z2 + 2) D. (16z3 + 12)(5z3 + 2)
Mathematics
Find the values of the variables for which the statement is true, if possible.
= 
A. x = 9; y = 6; z = 7 B. x = 6; y = 7; z = 9 C. x = -9; y = -6; z = -7 D. x = -9; y = 7; z = 6
Mathematics
Determine the upper and lower bounds on the zeros of the given function.g(x) = 5x4 - 9x2 + 3
A. upper bound: 1; lower bound: -2 B. upper bound: 1; lower bound: -1 C. upper bound: 2; lower bound: -1 D. upper bound: 2; lower bound: -2
Mathematics