Use the vertical line test to determine whether or not the graph is a graph of a function.
A. function
B. not a function
Answer: A
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State the number of significant digits and the implied precision of the given number.302 people
A. 3 significant digits, precise to the nearest person B. 2 significant digits, precise to the nearest 100 people C. 2 significant digits, precise to the nearest person D. 1 significant digit, precise to the nearest 100 people
Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.y = 7
A. y-intercept: (0, 7), m: 0
B. y-intercept: (0, 0), m: 7
C. y-intercept: (0, 0), m: 
D. y-intercept: (7, 0), m: undefined
Solve the equation.
+ 
= -1
A. 
B. ?
C. {1}
D. {0}
A man standing near a radio station antenna observes that the angle of elevation to the top of the antenna is b? = 67°. He then walks 100 feet further away and observes that the angle of elevation to the top of the antenna is ?a? = 45°. Find the height of the antenna to the nearest foot. (Hint: Findxfirst.)
?
?
A. 
ft
B. 
ft
C. 
ft
D. 
ft
E. 
ft