A yacht travels at a rate of 8 miles per hour for 10 hours. Let y bet the distance, in miles, the yacht travels for a given amou
nt of time, x, in hours. This situation can be modeled by a linear function. What is the domain of this function?
HELP ASAP PLEASE!!!
HELP ASAP PLEASE!!!
2 answers:
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Answer:
The correct option is C.
Step-by-step explanation:
The given cubic equation is
According to the rational root theorem 1 and -1 are possible rational roots of all polynomial.
At x=-1, the value of function 0. Therefore (x+1) is the factor of polynomial and -1 is a real root.
Use synthetic division to find the remaining polynomial.
Using
USe zero product property and equate each factor equal to 0.
Therefore the equation have three real roots out of which the value of two roots are same.
Option C is correct.
