The question requires us to add the two functions.
F(x)=8−4x−x³
g(x)=x²<span>+7x−9
</span>F(x)+g(x) = (8−4x−x³)+(x²+7x−9)
=8-9+7x-4x+x²-x³
= -1+3x+x²-x³
=x²-x³+3x-1
Answer:
9
1600
Step-by-step explanation:
i know
Answer:
Hence, there is 5 gallons of fuel Roselyn needed for her journey.
Step-by-step explanation:
Since we have given that
Speed at which Roselyn wants to drive her car = 60 miles per hour
Time taken by her car = 1.5 hours
As we know the formula for "Distance-Speed " :
Her car has fuel efficiency = 15 miles per gallon
Number of gallons of fuel is given by
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Answer: 1,600 people
Step-by-step explanation:
The survey showed that 40 out of 75 people would vote for Mr. Best.
Convert this figure to a percentage so that you can use it to find out the number of people that would vote for him if numbers were larger:
= 40 / 75
= 53.33%
If 3,000 people voted, 53.33% would vote for Mr. Best which is:
= 3,000 * 53.33%
= 1,599.9
= 1,600 people