Solve the equation.x - 15
+ 54 = 0
A. {6, 9}
B. {36, 81}
C. {36}
D. {-6, -9}
Answer: B
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Provide an appropriate response.The relative rate of change of a function y is defined as y'/y. Find the relative rate of change of y = 4t as a function of t.
A. 4
B. 1
C. ln 4
D. 
The following table shows the cost C, in dollars, of taking k kids to a water park.
1 2 3 4
$43 $59 $75 $91?
Which formula below fits these data?
?
A. 
B. 
C. 
D. None of the above
Solve the problem.A garage owner wants to fill a 55-gallon drum with a 20% winter mixture of antifreeze for his customers. How many gallons of 100% antifreeze should he mix with some 10% antifreeze mixture in order to fill the drum?
A. 48
gallons
B. 35
gallons
C. 19
gallons
D. 6
gallons
Decide whether or not the equation defines y as a function of x.y2 = (x - 6)(x + 4)
A. Yes B. No