Mr. Logan needs to buy snacks for his daughter's soccer team. He decides to buy crackers and granola bars at a local grocery sto
2 answers:
Answer:
Step-by-step explanation:
Let x be the number of boxes of crackers and y be the number of boxes of granola bars that Mr. Logan bought at the grocery store.
Given : The price of the crackers is $9 for 3 boxes, and the price of the granola bars is $6 for 3 boxes.
i.e. price of one box of crackers = $9 ÷3 = $3
Price of one box of granola bars=$6÷3 = $2
Mr. Logan ends up buying $20 worth of crackers and granola bars.
i.e. (Cost of each box of crackers) x + (Cost of each box of granola bars) y
i.e.
Hence, the equation represents the relationship between the number of boxes of crackers, x, and the number of boxes of granola bars, y, that Mr. Logan bought at the grocery store :
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Option D:
Solution:
Given function:
To find the inverse of the function.
<u>Inverse of a function:</u>
<em>If a function f(x) is mapping x to y, then the inverse function of f(x) maps y back to x.</em>
Interchange the variables x and y.
Now, solve for y.
Multiply both sides by (y - 5).
Cancel the common factors, we get
Divide by x on both sides.
Add 5 on both sides.
To make the denominator same, multiply the 2nd term by .
Option D is the correct answer.