Question 2 SALES Cool Athletics Introduced the new Power Sneaker in one of their stores. The table shows the sales for the first 6 weeks. Define the
domain and range of the function and state whether it is one-to-one, onto, both or neither.
4
5
3
2
Week
1
15
44
10
15
22
8
Pairs Sold
Domain = Select Choice
Range = Select Choice
The function is Select Choice
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5x + 3y = - 4

step-by-step explanation:

the equation of a line in standard form is

ax + by = c ( a is a positive integer and b, c are integers )

express the line first of all in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (7, - 3) and (x₂, y₂ ) = (4, - 8)

m = = -

y = - x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (4, - 8 ), then

- 8 = - + c ⇒ c = -

y = - x - ← in slope-intercept form

multiply all terms by 3 to eliminate the fractions

3y = - 5x - 4 ( add 5x to both sides )

5x + 3y = - 4 ← in standard form

step-by-step explanation: it is d

1 and 0

step-by-step explanation:

the answer to question 1 is -8, 28.

step-by-step explanation: