Answer:
Step-by-step explanation:
Given:
We need to find the inverse of given function.
If is a function then inverse [/tex] x=f^{-1}(x)[/tex]
Inverse function is symmetry about the line y=x
Step 1: switch x and y
Step 2: solve for y
divide both sides by 3
Inverse function:
Hence, The inverse function is
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The total distance would be 60 miles traveled by Diana drives for two hours with a speed of 30 mph.
What is Average speed?
Average speed is defined as the ratio of the total distance traveled by a body to the total time taken for the body to reach its destination.
We have been given that Diana usually drives at an average rate of 30 mph.
she drives for two hours with the speed of 30 mph,
To determine the distance will she cover
Average speed = total distance / total time
Here total time = two hours and the average speed = 30 mph
30 mph = total distance / two hours
total distance = 30 × 2
total distance = 60 miles
Therefore, the total distance would be 60 miles traveled by Diana drives for two hours with a speed of 30 mph.
Learn more about the average speed here :
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Answer: 2x
Step-by-step explanation
Its 2x because we dont know the speed so we just put the x and the 2 is the hours so its 2x.
0.5 pounds
12.5 pounds
13.5 pounds
Answer:
Option B is the correct answer.
Step-by-step explanation:
Irina measured the weight of her dog as 13 pounds.
If value is 13 she rounded the values in between 12.5 to 13.49 to 13 pounds.
Maximum possible error = 13 - 12.5 = 0.5 pounds.
Maximum possible error = 0.5 pounds.
Option B is the correct answer.
Answer:
The answer is 2x^2+ 11x+9
Step-by-step explanation: