Given the function (x) - 9x+8, evaluate w(5).
1 answer:
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Step-by-step explanation:
<em> </em><em>REFER</em><em> </em><em>TO</em><em> </em><em>THE</em><em> </em><em>ATTACHMENT</em><em> </em>
<em>HEY</em><em> </em><em>IN</em><em> </em><em>WHICH</em><em> </em><em>CLASS</em><em> </em><em>YOU</em><em> </em><em>ARE</em><em> </em><em>ROSA</em>
Answer:
D.
Step-by-step explanation:
let's call A the number of copies sold of newspaper A and B the number of copies sold of newspaper B.
So, we can formulate the following equations from the sentence: a certain store sold copies of 256 Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each as:
A + B = 256 (1)
1A + 1.25 B = Total Revenue (2)
Then, r and p are equal to:
(3)
(4)
Isolating A from (4) and B from (1), we get:
(5)
(6)
Finally, replacing (5) and (6) in (3), we get: