Show by substitution whether the number r is a solution of the corresponding quadratic equation.x2 - 4x + 3 = 0; r = -1
A. Yes
B. No
Answer: B
Mathematics
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Find all vertical asymptotes of the given function.f(x) = 
A. x = 
, x = -1
B. x = 
, x = -1
C. x = - 
, x = 1
D. x = - 
, x = 1
Mathematics
Find the exact value by using a sum or difference identity.tan 
A. - 2 + 
B. 2 + 
C. - 2 - 
D. 2 - 
Mathematics
Solve.What is 3189 plus 504 plus 30?
A. 3623 B. 3696 C. 3733 D. 3723
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.x4 - 16
A. (x2 - 4)2 B. (x2 + 4)(x + 2)(x - 2) C. prime D. (x2 + 4)2
Mathematics