3 years ago

PLEASE HELP ME ASAP 60 POINTS!

Mathematics

1 answer:

Akimi4 [234]3 years ago

4 0

Answer:

f(x) = 4x + 18; 18 ≤ y ≤ 30

Step-by-step explanation:

It would be that because if they want to increase by 4 customers every week you would attached that to x and since they started out with 18 customers they add 18 to the total weeks.

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One solution of x^2-25=0 is 5. What is the other solution? Enter the correct answer.

Serga [27]

Answer:

<h2>The other solution: x = -5</h2>

Step-by-step explanation:

$x^2-25=x^2-5^2\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=(x-5)(x+5)\\\\x^2-25=0\to(x-5)(x+5)=0\iff x-5=0\ \vee\ x+5=0\\\\x-5=0\qquad\text{add 5 to both sides}\\x=5\\\\x+5=0\qquad\text{subtract 5 from both sides}\\x=-5$