A machine can print 30 t-shirts in 1 min., because the ratio of time to shirts is 300 shirts per 10 mins and 30 per 1 is 1/10 of that.
Answer:
x intercepts at (-3,0), and (1,0)
there is a minimum at (-1,-4)
Step-by-step explanation:
Please see attached image for the requested graph of the function 
, and observe that the crossings of the x-axis are at the points (-3,0), and (1,0) , marked in red in the image.
We can also see that there is no maximum, but a minimum value, and located at the point (-1,-4) [marked in green in the image]
Answer:
12
Step-by-step explanation:
1,2,3,4,6 and 12 all go into the number 12
This is true because if it’s positive it goes from left to right
Answer:
4
Step-by-step explanation:
The cost for plan 1 will be ...
p1 = 10 +5x
The cost for plan 2 will be ...
p2 = 30
These costs are equal when ...
p1 = p2
10 +5x = 30
5x = 20 . . . . . . . . subtract 10
x = 4 . . . . . . . . . . . divide by 5
The two plans will cost the same if a customer borrows 4 DVDs in a month.
