Answer:
35
Step-by-step explanation:
f(x) = 5x means you multply the given f function by 5
f(7) = 5×7 ➡35
(12,1):12³+1³=1728+1=1729
(10,9): 10³+9³=1000+729=1729
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The speed is 66.33 miles per hour
Step-by-step explanation:
Given
Total distance = 325 miles
They still have 126 miles to go. In order to find the distance they have covered, we will subtract the remaining miles from the total
So,

the car has been driving for 3 hours
So,
t= 3 hours
d = 199 miles

The speed is 66.33 miles per hour
Keywords: Speed, Distance
Learn more about speed at:
#LearnwithBrainly
The second photo is the correct graph.