The function that represents how much you would pay is:
p(x) = (x - $5)*0.9
<h3>
How to find the function?</h3>
Let's say that the cost of the repair is x.
First, we apply the coupon, so we discount $5 for the cost.
x - $5.
Then we apply another discount of the 10%, this is written as:
(x - $5)*(1 - 10%/100%)
(x - $5)*(1 - 0.1)
(x - $5)*0.9
Then the function that represents how much you would pay is:
p(x) = (x - $5)*0.9
If you want to learn more about functions:
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The red line has a y-intercept of -4, so the linear equations of choices A and C can be eliminated.
The numerator of the rational expression of choice B will not be zero when x=4, so that choice can be eliminated. (That is, check to see if the point (4, 0) satisfies the equation. It does not.)
The problem requirements are met by the last choice:
d y = x minus 4, over x plus 2
y = x − 4
The given formula is
Therefore
Given:
C = $25,000
V = $12,000
t = 4.5 years
C/V = 0.48
1/t = 0.2222
Therefore
Answer: 15% (nearest integer)
Answer:
Line A, (horizontal slope), Line B, (Negative slope) Line C, (Vertical slope) Line D, (Undefined slope)
Step-by-step explanation:
Answer:
A. x = 3.03
B. x = 4/3
Step-by-step explanation:
A. 2000 (x-0.03) = 6000 is quickly simplified byu dividing both sides by 2000:
(x - 0.03) = 3. Removing the parentheses, we get: x = -0.03 = 3, or x = 3.03.
B. The distributive property is the faster method here. We determine that the LCD is 12 and multiply both sides of this equation 1/4 (4+x) = 4/3 by 12:
3(4 + x) = 16
and then carry out the indicated multiplication: 12 + 3x = 16, or
3x = 4, or x = 4/3
