Decide whether the problem is an equation or an expression.9(9x + 2) = 7(2x - 4)
A. Expression
B. Equation
Answer: B
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Find the volume of the solid generated by revolving the shaded region about the given axis.About the y-axis
A. 7?2 - 14? B. 28? C. 14?2 - 28? D. 14?2 + 7?
Find the perimeter and area of the figure.A square with sides of length 4.7 feet
A. P = 9.4 ft, A = 44.18 ft2 B. P = 28.8 ft, A = 44.18 ft2 C. P = 44.18 ft, A = 22.09 ft2 D. P = 18.8 ft, A = 22.09 ft2
Consider a function 
. If the graph of f is constant, neither increasing nor decreasing, what can be said about the graph of 
?
?
A. The graph of is above the horizontal axis.
B. The graph of is below the horizontal axis.
C. The graph of lies on the horizontal axis.
D. The graph of is increasing.
Solve the equation.
+ 
= 4
A. {2, -2}
B. {0}
C. {-2}
D. {
, -2}