Determine if the given ordered triple is a solution of the system.(3, -3, -4) x + y + z = -4 x - y + 3z = -64x + y + z = 5
A. solution
B. not a solution
Answer: A
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The time t, in minutes, required to drive 1 mile in a certain congested city depends on the traffic flow q, in vehicles per hour. The relationship is
.
?
A: Make a graph of ?t versus ?q. Include traffic flows of up to 3000 vehicles per hour.B: What traffic flow value corresponds to the pole for this rational function? What happens when traffic flow nears this level? Round your answer to two decimal places.C: What traffic flow will result in a 1-mile driving time of 20 minutes? Round your answer to two decimal places.
What will be an ideal response?
For the given point, find the coordinates of the image point under a half-turn about the origin.(2, ?3)
A. (2, 3) B. (?3, 2) C. (?2, 3) D. (3, ?2)
Tell whether or not the rational expressions are equivalent.
, 
A. Yes B. No
Use the limit rules to find the limit.Let
f(x) = 3 and
g(x) = -6. Find
.
A. - 
B. - 
C. -6
D. 