Determine whether the equation defines y as a function of x. x = y2
A. function
B. not a function
Answer: B
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For certain ships the diameter d, in feet, of the propeller depends on the maximum revolutions per minute r the propeller turns. The relation is given by
.
A: Make a graph of d versus r. Include up to 200 maximum revolutions per minute.B: What diameter corresponds to a maximum revolutions per minute of 109?C: What maximum revolutions per minute corresponds to a diameter of 20 feet?
?
Round your answer to two decimal places if necessary.
?
What will be an ideal response?
Name the possible quadrants in which the point (x, y) can lie if the condition is true.yx < 0
A. III or IV B. II or IV C. II or III D. I or II
Solve the problem.The distance D, in feet, it takes a car travelling at x mph to come to a full stop after hitting the brakes is given by 
What is the stopping distance for a car travelling at 30 mph?
A. 115.2 ft B. 76.8 ft C. 1200 ft D. 1153.71 ft
Use the sign diagram for 
to determine the largest interval on which f (x) increases, where 
and 
align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_732be880bd1a45e5bae7a41a9" />.
A. 
B. 
C. 
D. 
E. 