? Ummm What is the question???
<span>The table shows the outputs, y, for different inputs, x:
Input (x) 1 3 5 7
Output (y) 8 6 5 4
Part A: Do the data in this table represent a function? Justify your answer. (3 points)
Yes, the data in the table represent a function. The reason is that given an input (value of x), in the domain of the function (which is 1, 3, 5, 7), you can state the correspondant output (value of y) without ambiguity.
Part B: Compare the data in the table with the relation f(x) = 4x + 8. Which relation has a greater value when x = 3? (2 points)
x = 3 => f(3) = 4(3) + 8 = 12 + 8 = 20
While the image of 3 in the data is y = 6.
So, the function f(x) = 4x + 8 has a greater value when x = 3.
Part C: Using the relation in Part B, what is the value of x if f(x) = 76? Be sure to show all your work.
f(x) = 76 = 4x + 8 => 4x = 76 - 8 = 68
=> x = 68/4 = 17
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The shaded area = The big square area - small square area
square area = side²
(x+4)² - 4
= x² + 8x +16 - 4
= x² +8x +12
The original price of the meal was $13.47 because 20% of 18.50 is 3.7 you subtract it from 18.50 and then you get 14.8 then you do 9% of 14.8 and get 1.332 and subtract that from 14.8 and get 13.468 and round to the nearest hundred.
Answer:
Step-by-step explanation:
i used desmos