Answer:
y= 10x+ 43
Step-by-step explanation:
step 1. y= 5(x+4)2+3
y= 10(x+4)
Answer:
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Answer:
A)
But really there is no effect since cos(-x)=cos(x).
Step-by-step explanation:
Cosine is an even function.
Even functions are symmetric about the y-axis.
So really for cosine; cos(-x) has no change to cos(x) since they are equal.
But if you keep in mind that cosine is symmetric about the y-axis, then it has been reflected over the y-axis; this is the vertical axis.
A)
Answer:
$544
Step-by-step explanation:
To determine the original price of the DVD player considering that you know that it had a 75% reduction, you can use a rule of three as the price of $136 represents 25% of the original price and with this you can calculate the price that represents 100%:
$136 → 25%
x ← 100%
x=(136*100)/25=$544
According to this, the answer is that the original price of the DVD player was $544.