Assuming a 2.5% discount will apply , what is the net price of an invoice for $1,275.55 ?a) $1,136.66 b) $1,243.66 c)$1,250.00 d
2 answers:
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Answer:
f(x) = -2x + 7, when x > 1
f(x) = 4x + 1 when x ≤ 1
Step-by-step explanation:
The right side graph passe through points (1,5) and (2,3).
Hence, the equation of the line
⇒ (y - 5) = 2(1 - x)
⇒ y - 5 = 2 - 2x
⇒ y = -2x +7.......... (1)
Now, the left side graph passes through points (1,5) and (0,1)
Therefore, the equation of the graph will be
⇒ y - 5 = 4(x - 1)
⇒ y = 4x + 1 ........ (2)
Hence, the equation (1) gives the function in the right side of the given graph which does not include the point (1,5) and extends to the right from this point.
Therefore, f(x) = -2x + 7, when x > 1 (Answer)
Again, equation (2) gives the function in the left side of the given graph which includes the point (1,5) and extends to the left from this point.
Therefore, f(x) = 4x + 1 when x ≤ 1 (Answer)
Answer: Ernie has $750 and Bert has
Step-by-step explanation:
Let the amount that Ernie has be 'x'.
Let the amount that Bert has be
Amount lost by Ernie = $225
Amount gained by Bert = $675
According to question, we get that
Hence, Ernie has $750 and Bert has