The answer is C; 35.5 units^2
Count change of signs to tell positive roots
then replace x with -x and evaluate, then count change in sign for negative roots
initially
+, -, -, +, +, -
3 changes
3 or 1 positive roots
replacing x with -x
-,-,+,+,-,-
2 changes
2 or 0 negative roots
B is answer
Write it in y= mx+b form. Subtract 5x from both sides to get 4y = -5x + 100. Divide by 4 so the answer would be y= -5/4x + 25.
answer: $9248
explanation:
well, we know the cost for one, so if each computer costs the same, multiply the cost of one of them by 8 to get the total.
8 x 1,156 = 9248.
so, we can assume this is what the computers will cost in total because there seems to be no added tax or fees.
<em>i hope this helps, and have a great day! don't hesitate to ask if you need more help with this specific question! ♥ - eviezoom </em>
2.74 - (-19.4) = 22.14, so the freezer is 22.14°c colder. I hope that helps!
