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Mathematics 12 Online
OpenStudy (muzzack):

answer if you dare

OpenStudy (muzzack):

The sales totals at Macy's food store have increased exponentially over the month. Which of these best shows the sales in the first three months? $1200 in the first month, $1220 in the second month, $1240 in the third month $1200 in the first month, $1272 in the second month, $1344 in the third month $1200 in the first month, $1285 in the second month, $1370.96 in the third month $1200 in the first month, $1224 in the second month, and $1248.48 in the third month

OpenStudy (anonymous):

I need to pay close attention to the fact that these values are increasing exponentially. Alright, so for the first choice, we have the values: 1200, 1220, and 1240. Determine the values between each given number. Between 1200 and 1220 -> 20. Between 1220 and 1240 -> 20. Let's keep this in the back of our head and investigate the other choices. For the second choice, we have the values: 1200, 1272, 1344. Imma determine the values between each number again. Between 1200 and 1272 -> 72. Between 1272 and 1344 -> 72. For the third choice, we have the values: 1200, 1285, 1370.96. You know what Imma do. Between 1200 and 1285 -> 85. Between 1285 and 1370.96 -> 85.96 For the fourth choice, we have the values: 1200, 1224, 1248.48. Let's do this again. Between 1200 and 1224 -> 24. Between 1224 and 1248.48 -> 24.48 Okay. Now, for the first choice, I notice that there seems to be no change. Between each value, the number is always 20. This is true also for the second choice. The number always increases by 72. At least this is a greater change than 20! But it's still not the droid I'm looking for. Choice three looks awesome. Not only is there a whopping-sick exponential increase of at least 85, but between the second and third values; 1285 and 1370.96; there is an increase of at least 85 PLUS .96 more. The fourth choice has a low exponential increase of 24 between choices, and also has an added increase of .48 between the second and third values; 1224 and 1248.48. But this increase of .48 is nothing compared to the increase of .96, and an exponential increase of 85 is absolutely the best of the bunch. So... Imma pick the third choice: $1200 in the first month, $1285 in the second month, $1370.96 in the third month. Am I right? ^_^

OpenStudy (muzzack):

thx

OpenStudy (anonymous):

Heck yeah.

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