Use the discriminant to determine whether the equation has two distinct real solutions, a single real solution, or no real solution.x2 + 5x - 6 = 0
A. one real solution
B. two real solutions
C. no real solution
Answer: B
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Write the improper fraction as a mixed number or an integer.
A. 4
B. 
C. 3
D. 2
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = (x - 2)5 + 4 
A. 
B. 
C. 
D. 
Graph the function. Show at least one period.y = 
cot
A. 
B. 
C. 
D. 
Suppose wind and cold temperatures combine to make the air temperature feel colder than it actually is. This combination is reported as wind chill. The following table shows that wind chill temperatures, WC, are a function of wind speed, 
, and air temperature, 
. If
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and interpret the answer.
?
Air Temperature 
Wind Speed
(mph)
3525155-5-15-255
34
19
7
5
-6
-28
-40
15
25
13
0
-13
-26
-39
-51
25
23
9
-4
-14
-31
-44
-58
35
21
7
-7
-21
-34
-50
-62
45
19
5
-18
-23
-37
-51
-65
?
A. 
For a wind speed of 5 mph and air temperature of 
, the wind-chill temperature is 
.
B.
For a wind speed of 5 mph and air temperature of 
, the wind-chill temperature is 
.
C.
For a wind speed of 5 mph and air temperature of 
, the wind-chill temperature is 
.
D.
For a wind speed of 5 mph and air temperature of 
, the wind-chill temperature is 
.
E.
For a wind speed of 5 mph and air temperature of 
, the wind-chill temperature is 
.