Answer:
Step-by-step explanation:
Hello, first of all we can find a value for f(1)

And we can get the derivative of the equation so.

Thank you
Answer:
The gallons of fuel car need to travel 30 km is <u>0.75</u> approximately .
Step-by-step explanation:
Given:
The car can travel 25 miles per gallon. (1 mile = 1.6 km)
Now, we need to convert 25 miles into km .
25 miles = 25 × 1.6 km
= 40 km
So, the car can travel 40 km per gallon.
Then, we find out in 1 km how many gallons are used:



Now, we find out how much gallons of fuel will the car need to travel 30 km:
Gallons of fuel the car need to travel 30 km = 
=
.
Therefore, the gallons of fuel car need to travel 30 km is 0.75 approximately.
Answer:
The new price is 45.90
Step-by-step explanation:
The original price is 51
Find the discount of 10 %
51*10%
51*.10
5.1
Subtract this from the original price
51- 5.1
45.9
The new price is 45.90
Answer:A, b and also c
Step-by-step explanation: