3 years ago

Stacy started a banking account with $150 and is spending $7 per day on lunch. This situation models which type of function?

Mathematics

1 answer:

Lubov Fominskaja [6]3 years ago

8 0

Answer:

Linear

Step-by-step explanation:

She is spending the same amount per day, so it is linear

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A sequence is constructed according to the following rule: its first term is 7, and each next term is one more than the sum of t

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Answer:

Step-by-step explanation:

According to the described rule, we have

$a_1=7\\ \\a_1^2=7^2=49\Rightarrow a_2=4+9+1=14\\ \\a_2^2=14^2=196\Rightarrow a_3=1+9+6+1=17\\ \\a_3^2=17^2=289\Rightarrow a_4=2+8+9+1=20\\ \\a_4^2=20^2=400\Rightarrow a_5=4+0+0+1=5\\ \\a_5^2=5^2=25\Rightarrow a_6=2+5+1=8\\ \\a_6^2=8^2=64\Rightarrow a_7=6+4+1=11\\ \\a_7^2=11^2=121\Rightarrow a_8=1+2+1+1=5\\ \\\text{and so on...}$