So the original price is "x".
the discounted price by 10% is P(x) = 0.9x.
the price minus a $150 coupon is C(x) = x - 150.
so, if you go to the store, the item is discounted by 10%, so you're really only getting out of your pocket 90% of that, or 0.9x, but!!! wait a minute!! you have a $150 coupon, and you can use that for the purchase, so you're really only getting out of your pocket 0.9x - 150, namely the discounted by 10% and then the saving from the coupon.
C( P(x) ) = P(x) - 150
C( P(x) ) = 0.9x - 150
Answer:
The slope of the graph is 5, and the y-intercept is (0, -3).
Step-by-step explanation:
Let's start by finding the y-intercept.
The y-intercept is the point where the line intercepts the y-axis.
Looking at the graph, we can determine that the y-intercept is (0, -3).
The slope of a graph can be found using two points on the line.
Let's use (0, -3) and (1, 2):
Therefore the slope of the graph is 5, and the y-intercept is (0, -3).
n= number
2n > n+8
subtract n from each side
2n-n > n+8-n
n > 8
Answer:
y=-13
Step-by-step explanation:
Plugging in -7:
y= (-7)2 + 1
-7 * 2 = -14
So:
y= -14 + 1
-14+1=-13
