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IRINA_888 [86]
3 years ago
12

If f(x)=5x^2 and g(x)=x^2-4x-8, find (f-g)(x) Important!!!

Mathematics
2 answers:
marusya05 [52]3 years ago
8 0

Answer:B) (f-g)(x)=4x^2+4x+5

Step-by-step explanation:Apex

vitfil [10]3 years ago
4 0

Answer:

Option B.

Step-by-step explanation:

(f-g)(x) = f(x)-g(x)

          = (5x²-3) - (x²-4x-8)

          =5x²-3 -x² +4x +8       ( - sign outside will multiply each sign inside)

         =4x² +4x + 5

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Answer:

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<h3>Total snow fall for three days is 8.75 inches</h3>

<em><u>Solution:</u></em>

Given that,

Snow fell over the past three days

First\ day = 3\frac{2}{4}\ inches = \frac{14}{4}\ inches\\\\Second\ day = 3\frac{2}{4}\ inches = \frac{14}{4}\ inches\\\\Third\ day = 1\frac{3}{4}\ inches = \frac{7}{4}\ inches

<em><u>What was the total snowfall for the three days?</u></em>

Total snowfall = first day + second day + third day

Total\ snowfall = \frac{14}{4} + \frac{14}{4} + \frac{7}{4}\\\\Total\ snowfall = \frac{14 + 14 + 7}{4}\\\\Total\ snowfall = \frac{35}{4} \text{ or } 8.75\ inches

Thus total snow fall for three days is 8.75 inches

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