Write the interval notation for the graph.
k
A. x ? k
B. (-?, k]
C. [k, ?)
D. [-k, k]
Answer: B
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Solve the problem.Suppose a cold front is passing through the United States at noon with a shape described by the function src="https://sciemce.com/media/4/ppg__10616191804__f1q36g6.jpg" alt="" style="vertical-align: -4.0px;" /> SSuppose the front moves south 340 miles and west 120 miles and maintains its shape. Give the equation for the new front and plot the new position of the front.
where each unit represents 100 miles. 
Missouri is located at 
and the positive y-axis points north.N
A. y = 
(x - 1.2)2 - 3.4N 
S
B. y = 
(x - 1.2)2 + 3.4N 
S
C. y = - 
(x + 1.2)2 - 3.4N 
S
D. y = 
(x + 1.2)2 - 3.4N 
S
Solve.When a principal P earns an annual interest rate r compounded yearly, the amount A after t years is A = P(1 + r)t. How long will it take for a principal to double at 9% compounded annually? Round to the nearest whole year.
A. t ? 9 years B. t ? 7 years C. t ? 8 years D. t ? 5 years
Simplify the expression. Assume all variables represent nonnegative real numbers.(b7/5)5
A. b1/5 B. b7/25 C. b7 D. b12/5
Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(6, 5) and (11, -2)
A. - 
B. 
C. Undefined
D. 0