The cost to rent a lawn tractor is $20 an hour plus the cost of gas.Shelly paid a total of $60 for gas in a lawn tractor she ren
ted. Which graph shows her total cost,y,in dollars,for renting the lawn tractor x hours?
1 answer:
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The answer is B. y = -1/5x +1/2.
EXPLANATION
First solve for the slope:
After finding the slope, look for the linear equation with the same value of m (parallel equation).
EXPLANATION
First solve for the slope:
After finding the slope, look for the linear equation with the same value of m (parallel equation).
Solution: The factor form of the given polynomial is .
Explanation:
To find the factor form of the given polynomial fisrt find the random value of x for which the vlaue of f(x) is 0.
The value of the function f(x) is 0 for , therefore
is a factor of given function.
Use synthetic method to divide the given polynomial for by . Write coefficients of polynomial in top line and -1 on left side of the line. Write first element in bottom line then multiply it by -1 and write it in second line below the element second element and the add. The division by synthetic method is given in figure 1.
The bottom line shows the coefficients of the quotient polynomial.
So
Similarly is the factor of given polynomial because for x=-2 the value of parenthesis polynomial is 0.
Use synthetic method to divide the parenthesis polynomial for by . it is shown in figure 2.
So
Hence the factor form of the given polynomial is . The graph of the given function is given in figure 3.
