A bus leaves a bus station and picks up two people at the first stop . At the second stop , the bus picks up three more people .
At the third stop, all of the passengers get off the bus . Emma sketched the graph below to represent the situation.
What error did emma make in her sketch ?
A) her sketch should not include horizontal lines
B) her sketch should have curves instead of lines .
C) her sketch does not show the correct number of stops .
D) her sketch shows the number of people decreasing and then increasing.
What error did emma make in her sketch ?
A) her sketch should not include horizontal lines
B) her sketch should have curves instead of lines .
C) her sketch does not show the correct number of stops .
D) her sketch shows the number of people decreasing and then increasing.
1 answer:
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Answer:
A. A(n) = 150 • (0.74)^n–1 ; 33.29 cm
Step-by-step explanation:
This is a geometric sequence.
a%5B1%5D=1.5m=150cm, r=0.74
The formula is
a%5Bn%5D=a%5B1%5Dr%5E%28n-1%29
Just substitute a1 = 150cm and r = 0.74
a%5Bn%5D=150%280.74%29%5E%28n-1%29
That's the rule.
For the second part, substitute n = 6
cm.
Step-by-step explanation:
Use formula to find the slope/gradient
(-5, -1) = (x1, y1)
(5, 11) = (x2, y2)
So,