retta has 40 raffle tickets to sell. She is required to sell at least 15 tickets. She sells the raffle tickets for $10 each. The
2 answers:
Answer:
<h2>[150,400]</h2>Step-by-step explanation:
Retta has 40 raffle tickets to sell and she has to sell at least 15 tickets. So, the interval that represents this situation is , because the minimum allowed is 15 tickets, and the maximum possible is 40 tickets.
We know by given that the function that models this situation is
To find the valid range, we just need to find the values assigned to and
.
Therefore, the practical range of the function is [150,400]
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Answer:
D) 5
Step-by-step explanation:
Perpendicular lines have opposite reciprocal slopes.
The line: has a slope of
as it is in y=mx+b form, where m is the slope, and b is the y-intercept.
Since the slope is , we see that the negative reciprocal slope is
, as
is the reciprocal (flip the numerator and denominator).
From here, we can use point slope form: , where
is the point. In this case, (3, 1) is the point.
Thus, we have: as our final equation.
Simplifying:
And: , which gives us the y-intercept to be 5.
Let me know if this helps!