Evaluate the algebraic expression for the indicated variable.  for x = 7, y = 4

A.
B.  
C.  
D.  


Answer: D

Mathematics

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Identify the property illustrated by the statement.(3 + 4) + 5 = (4 + 3) + 5

A. Distributive property B. Addition property C. Associative property D. Commutative property

Mathematics

Determine whether (f ? g)(x) = x and whether (g ? f)(x) = x.f(x) = x3 + 1, g(x) = 

A. Yes, no B. No, yes C. No, no D. Yes, yes

Mathematics

Find the remainder when f(x) is divided by (x - k)f(x) = x5 - 5x4 - 6x3 - 7x2 + 6x + 6; k = -3

A. -567 B. -555 C. -561 D. -573

Mathematics

Solve. = 1 - 3y

A.
B.
C.
D. - 

Mathematics