hawleyemily
25.07.2019 •
Mathematics
Which has an inverse function? a.)f(x)=|4-x|+1 b.)f(x)=25x^2+70x+49 c.)f(x)=x^4 d.)f(x)=x+3/7
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Ответ:
Ответ:
The maximum speed of Malcolm is 300 km/h and the maximum speed of Ravi is 220 km/h.
Step-by-step explanation:
Let x be the maximum speed of Malcolm and y be the maximum speed of Ravi in km/h .
Then according to the question, we have the following equations,
Multiplying equation (1) with 2 on both sides we get,
Adding (2) and (3), we get
Substitute value of x in (3), we get
Hence, the maximum speed of Malcolm is 300 km/h and the maximum speed of Ravi is 220 km/h.