Question: Between 1945 and 2020, carbon dioxide (CO Subscript 2) concentration in the atmosphere rose from roughly 304 parts per million to 418 parts per million.

Between 1945 and 2020, carbon dioxide (CO Subscript 2) concentration in the atmosphere rose from roughly 304 parts per million to 418 parts per million. Assume that this growth can be modeled with an exponential function Upper Q equals Upper Q 0 times left parenthesis 1 plus r right parenthesis Superscript t. Complete parts (a) and (b) below. Question content area bottom Part 1 a. By experimenting with various values of the growth rate r, find an exponential function that fits the data for 1945 and 2020. requals enter your response here (Round to five decimal places as needed.)

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