Chung has $10.00 in his coin jar he plans to put $6.0 more into the jar every week .which of these shows the correct equation to find the number of weeks .after which chung would have $58.00 in the coin jar ?

(a)

(b)

Total number of weeks is 8

Step-by-step explanation:

(a)

we are given

Chung has $10.00 in his coin jar

so, initial amount =$10.00

He plans to put $6.0 more into the jar every week

Let's assume number of weeks =x

so,

total money in jar after x week = (initial money) +(number of weeks)*(money put in every week)

so, we get

Total money in jar after x week  is

(b)

we are given

Chung has $58

so, we can set M=58

and then we can solve for x

Subtract both sides by 10

Divide both sides by 6

and we get

So,

Total number of weeks is 8

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1

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step-by-step explanation:

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