A linear function best describes the amount of a salesperson’s paycheck for the week. The sales person is paid $300 for the week
1 answer:
Answer:
Step-by-step explanation:
Let
x ----> represents the number of subscriptions she sells
f(x) ---->represent her paycheck amount for the week
we know that
The linear function in slope intercept form is equal to
where
m is the slope or unit rate of the linear function
b is the y-intercept or initial value of the linear function
In this problem we have that
The slope is equal to
The y-intercept is equal to
---> value of f(x) when the value of x is equal to zero
substitute
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Answer:
Option "B" as per the list of possible answers
Step-by-step explanation:
Notice that the parabola has a minimum at the point (2, 1), therefore first look at which of the options gives you . You would be able then the discard the last two functions listed (they render "-1" (not 1) for x = 2.
Now to decide between the first and the second option, notice that the first option has a negative coefficient (-0.2) multiplying the perfect square which means that the branches of such parabolic function would be pointing down. So you discard the first option, and now the only one left is the second option:
which you can check briefly by evaluating a couple of easy points (like what values you get for x = 0, and at x = 4, and confirm it is the correct option.