math
posted by Angel .
I am a little lost on my homework can someone help me with these problems please!
With a GM MasterCard, 5% of the amount charged is credited toward a rebate on the purchase of a new car. Express the R as a function of the amount charged A
Write a formula that describes the functionfor this problem.
#2. Graph this inequality: y<2x+2
#3. y<2x+1
#4. y<7
#5.4x+3y>24
Thanks!!
1. R = 0.05 A = A/20
2. The region that satisfies the inequality is all of the area below the
y = 2x +2 line. The slope of that line is 2 and the yintercept is (2, 0). (That means it goes through the point x = 2, y = 0)
3. The region that satisfies the inequality is all of the area below the
y = 2x +1 line. The slope of that line is 2 and the yintercept is (1, 0).
4. The region that satisfies the inequality is all of the area below the
y = 7 line.
5. Rewrite as
y > (4/3)x  8
The region that satisfies the inequality is all of the area ABOVE the
y = (4/3)x  8 line. The slope of that line is 4/3 and the yintercept is (0, 8).
I cannot draw graphs for you with tools available at this website.
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