Name the property illustrated by the statement.2(x + 7) = 2x + 2 ? 7
A. commutative property of addition
B. distributive property
C. identity element for multiplication
D. associative property of multiplication
Answer: B
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The graph of a function f is given. Use the graph to answer the question.What is the y-intercept?
A. (0, 10) B. (0, -6) C. (0, -8) D. (0, 7)
Find the absolute maximum value of 
on the interval [?9, 9].
What will be an ideal response?
Solve the problem.A railroad bridge is built over a V-shaped canyon. If the supports are 10 feet long at each end, the center support is 250 feet long, and the supports increase in length by 2 feet with each support (from 10 feet to 250 feet), what is the total length of all the supports?
A. 31,208 ft B. 31,210 ft C. 31,212 ft D. 31,200 ft
Find the opposite of the real number.-12
A. -12
B. - 
C. 12
D. 