Indicate whether the function is one-to-one.A = {(-7, -7), (20, -8), (6, -19)}
A. Yes
B. No
Answer: A
Mathematics
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Determine whether the statement is true or false.(8 + 7)[2 + (2 + 3)] < 199
A. False B. True
Mathematics
Find the derivative of the function.f(x) = 
A. 
B. - 
C. - 
D. 
Mathematics
Simplify the expression by combining like terms. 23.4y + 9.2 - 8.9y - 20.8
A. 15.5x - 11.6 B. 14.5x - 11.6 C. 14.5x + 11.6 D. 2.9x
Mathematics
Factor the expression completely, if possible.x4 - 729x
A. (x2 - 9)(x2 + 81) B. x(x - 9)(x2 + 9x + 81) C. x(x + 9)(x2 - 9x + 81) D. Does not factor
Mathematics