For the given equation, state whether the directrix is vertical or horizontal and give its location in relation to the pole.r = 
A. Vertical, 2 units to the left of the pole
B. Vertical, 
units to the left of the pole
C. Horizontal, 
units below the pole
D. Horizontal, 2 units below the pole
Answer: B
Mathematics
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Choose the graph that matches the function. f(x) = 
x - 5
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables are positive.
? 
A. 
B. 15
C. 225
D. 30
Mathematics
Find a formula for the inverse of the function described below.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Celsius to those in Fahrenheit is 
.
A. f-1(x) = 
x + 32
B. f-1(x) = x + 32
C. f-1(x) = 
(x - 32)
D. f-1(x) = 
(x + 32)
Mathematics
Divide. If the division is not possible, write "undefined."
A. 4 R4 B. 4 R5 C. 5 D. 6
Mathematics