Given the function, find the indicated value.Find f(4) when f(x) = x2 - 4x - 1.
A. 33
B. 1
C. -1
D. 31
Answer: C
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The time t, in minutes, required to drive 1 mile in a certain congested city depends on the traffic flow q, in vehicles per hour. The relationship is
.
?
A: Make a graph of ?t versus ?q. Include traffic flows of up to 3000 vehicles per hour.B: What traffic flow value corresponds to the pole for this rational function? What happens when traffic flow nears this level? Round your answer to two decimal places.C: What traffic flow will result in a 1-mile driving time of 20 minutes? Round your answer to two decimal places.
What will be an ideal response?
Solve the problem.The number of births in County A has been increasing in recent years. Use the information given on the bar graph for the years 1960 and 1990, letting 
represent the year 1960 and letting y represent the number of births.
A. y = 
x + 
B. y = 
x + 1693
C. y = 
x - 2190
D. y = 
x + 1693
Find the difference and simplify the answer. 
- 
A. 
B. 
C. 1
D. 11
Find an equation in slope-intercept form (where possible) for the line.Through (2, -7) and (-5, 1)
A. y = - 
x - 
B. y = - 
x - 
C. y = 
x - 
D. y = 
x - 