Is the relation a function?x = -(y + 1)2 + 8
A. Yes
B. No
Answer: B
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Find the distance between the pair of points.(-5, 5) and (5, -7)
A. 22
B. 2
C. 2
D. 244
Provide an appropriate response.In testing an experimental diet for goats, it was determined that the (average) live weight w (in kilograms) of a goat was statistically a linear function of the number of days d after the diet was started where 0 ? d ? 100. The weight of a goat starting the diet was 12 kg and 25 days later it was 20 kg. Determine w as a linear function of d and find the average weight of a goat when d = 80.
What will be an ideal response?
Solve.Racing cyclists use the function 
to determine the maximum rate, 
, in miles per hour, to turn a corner of radius x, in feet, without tipping over. What is the maximum rate a cyclist should travel around a corner of radius 38 feet without tipping over? Leave the solution in simplified radical form.
A. 24 + 
mph
B. 24
mph
C. 
mph
D. 4
mph
Solve the problem.Suppose that f(x) = 2x. If f(x) = 
, what is x?
A. -2 B. -4 C. 2 D. 4