Solve.David recently switched to a long distance phone company which charges a monthly fee of $7.45 plus $0.07 per minute. A linear function that expresses the monthly bill B as a function of minutes used m is 
What is the implied domain of this linear function?
A. [0, ?)
B. (0, ?)
C. [7.45, ?)
D. [0, 745]
Answer: A
Mathematics
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Find an equation for the hyperbola described. Graph the equation.Vertices at (-4, 0) and (4, 0); asymptote the line y = 2x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
The principle of a box camera in taking a picture is shown.The rays of light from the object AB pass through the opening L and form an inverted image AB on the film. How far from a 30 tree must L be placed to produce a 4" image on the film if the film is 8" behind L?
Mathematics
Round the decimal to the given place value.1.544, nearest tenth
A. 1.6 B. 1.4 C. 1.544 D. 1.5
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Convert the radical expression to its rational exponent form and then simplify. Assume that all variables represent positive numbers.
A. 1 B. 36 C. 31/6 D. 35/6
Mathematics