Given that the pair of triangles is similar, find the missing length. 
A. x = 10
B. x = 7
C. x = 15
D. x = 5
Answer: A
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Solve the problem.The diameter of a tree was 9 in. During the following year, the circumference increased 
About how much did the tree's diameter increase? (Leave your answer in terms of ?.)
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Use graphical methods to solve the linear programming problem.2x + 4y ? 122x + y ? 8x ? 0y ? 0Minimize P = 6x + 8y
A. Minimum of 36 when x = 6 and y = 0
B. Minimum of 0 when x = 0 and y = 0
C. Minimum of 
when x = 
and y = 
D. Minimum of 26 when x = 3 and y = 1
Solve the problem.Suppose that for an electrical appliance, voltage is given by 
and amperage by 
where t is time in seconds. The wattage is given by 
Find the maximum wattage used by the appliance.
A. 202.23 B. 101.115 C. 404.46 D. 189
Describe how to transform the graph of the basic function g(x) into the graph of the given function f(x).f(x) = 9 log (4 - x); g(x) = log x
A. Reflect across the y-axis, translate 4 units to the left, and vertically stretch by a factor of 9. B. Reflect across the x-axis, translate 4 units to the left, and vertically stretch by a factor of 9. C. Reflect across the y-axis, translate 4 units to the right, and vertically stretch by a factor of 9. D. Reflect across the x-axis, translate 4 units to the right, and vertically stretch by a factor of 9.