Name the property illustrated by the statement.7 ? 2 = 2 ? 7
A. commutative property of multiplication
B. identity element for multiplication
C. associative property of multiplication
D. distributive property
Answer: A
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Complete the magic (addition) square.Use each number 17, 18, 19, 20, 21, 22, 23, 24, and 25 once.
A. 
B. 
C. 
D. 
Solve the problem. Assume all variables represent nonnegative real numbers.For f(x) = x - 
and g(x) = x - 
, find (f ? g)(x).
A. (f ? g)(x) = x2 - 5
B. (f ? g)(x) = x2 + 2x
+ 5
C. (f ? g)(x) = x2 + 5
D. (f ? g)(x) = x2 - 2x
+ 5
Match the graph to the function listed whose graph most resembles the one given.
A. square function B. reciprocal function C. absolute value function D. linear function
Find the equation in standard form of the parabola described.Focus at (4, 0); Directrix the line x = -4
A. x2 = 16y B. y2 = 4x C. y2 = -16x D. y2 = 16x