Solve.x2 - 16 = 15x
A. 1, -16
B. -1, 16
C. -4, -4
D. -4, 4
Answer: B
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Solve the problem.In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.10 as soon as you get in the taxi, to which a charge of $1.70 per mile is added. Find an equation that can be used to determine the cost, C, of an x-mile taxi ride, and use this equation to find the cost of a 3-mile taxi ride.
A. $8.10 B. $7.08 C. $7.20 D. $7.38
For a satellite orbiting Earth, the time required to complete a single orbit is known as the period. The period P, in hours, is related to the distance D, in miles, from the center of Earth by the formula 
.
What happens to the distance as the period increases? A graph of D versus P can help you answer this question.
?
A. Distance increases as period increases. B. Distance decreases as period increases. C. Distance is at a maximum. D. Concavity changes as the period increases.
Graph the values of x that satisfy the given conditions.x ? 5 and x ? 1
A. 
B. 
C. 
D. 
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercept: 
, no y-intercepts ;
B. No x-intercepts, y-intercept: 
;
C. x-intercept: 
, no y-intercepts ;
D. No x-intercepts, y-intercept: 
;