Answer:
400
Step-by-step explanation:
│an − L│< ε
│2 + (-1)ⁿ/√n − 2│< 1/20
│(-1)ⁿ/√n│< 1/20
1/√n < 1/20
√n > 20
n > 400
Answer:
The last graph
Step-by-step explanation:
This is because when there is a greater than sign, the line on the graph is dotted and the shaded area is facing upwards. I try to remember that when there is a greater than sign or a greater than or equal to sign, the shaded area faces up towards the sky.
Hope this helps. Please inform me if my answer is wrong.
Answer:
36
Step-by-step explanation:
1) first you multiply each side by -2
1a) that clears the -1/2
x = -12
Answer:
y-3
Step-by-step explanation:
4(y-3) + 9 - 3y
Use distributive property for 4(y-3)
= 4y-12+9-3y
Then simplify
= 4y-3y-12+9
= y-3