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net income is 38582.01 for the year/12 = 3215.17(rounded) per month
<span>since rent/mortgage should not exceed 25% of income, that is about 800/month </span>
15) 25+90=115-180=65
65+90=155-180
Answer:
- Positive at (-9, 2)
- Negative at ( -oo, -9) or (2, + oo)
Step-by-step explanation:
<u>Given function</u>
<u>Getting zero's</u>
- -2x^2 - 14x + 36 = 0
- x^2 + 7x - 18 = 0
- x = ( -7 ± √(49 +72))/2 = ( -7 ± 11)/2
- x = - 9 and x = 2
<u>As the x^2 has negative coefficient, the function is positive between -9 and 2</u>
<u>And it is negative at:</u>
- x < -9 and
- x > 2
- or
- ( -oo, -9) or (2, + oo)
Well u can't get division but division is the opposite of multiplication so if it was 12 divided by 2 it would be 6 because 6 times 2 is 12
