In 1950, Brian's dad recieved $20 for his tenth birthday. His mother deposited it into a...

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In 1950, Brian's dad recieved $20 for his tenth birthday. Hismother deposited it into a bank account for him. Everyone forgotabout the money and made no further deposits or withdrawls. Thetable shows the account balance for several years.
Elapse time in years Balance in account
0 20
5 26.77
10 35.82
15 47.93
20 64.14
25 85.84
30 114.87
5A) Enter the info on your calculator. Look at the scatterplot.What type of function represents this curve?
5B)what is the equation of best fit? Round all values to thenearest hundreth
5C)Use your equation to estimate the balance in the account whenBrian's dad turn 70
Please show work will rate if done all questions

Answer & Explanation Solved by verified expert

3.8 Ratings (520 Votes)

A scatterplot of vthe given data is attached The scatterplotresembles an arm of an upwards opening parabola ie the graph ofa quadratix function Let this function be y fx See Answer

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Elapse time in years	Balance in account
0	20
5	26.77
10	35.82
15	47.93
20	64.14
25	85.84
30	114.87