I have a big math test tomorrow and a question on the review packet my teacher made for my class just doesn't make sense to me.
Here it is...
For a 'Black Friday' sale, everything in a store is 10% off the original price. If Ana purchased an item that was marked with a sale price of $40, what was the original price?
My teacher said the answer was $44.44 but I don't understand how she got that, can someone help please?
For a 'Black Friday' sale, everything in a store is 10% off the original price. If Ana purchased an item that was marked with a sale price of $40, what was the original price?
My teacher said the answer was $44.44 but I don't understand how she got that, can someone help please?
1 answer:
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Answer:
- a. image 1
Step-by-step explanation:
<u>Given function:</u>
- f(x) = 2*3ˣ
<u>Plot two points and check which graph has those:</u>
- f(0) = 2*3⁰ = 2
and
- f(1) = 2*3¹ = 6
Points (0, 2) and (1, 6) are correct on the image 1 with blue graph
