Mathematics
Grade10
Easy

Question

The cost of renting a landscaping tractor is a $150 security deposit plus the hourly rate is $30/hour. Write the function f that represents the cost of renting the tractor.

  1. f(x) = 150x + 30
  2. f(x) = 150 - 30x
  3. f(x) = 150 + 30x
  4. f(x) = 30x - 150

hintHint:

Find total cost for the tractor and add security deposit.

The correct answer is: f(x) = 150 + 30x


    Given That:
    The cost of renting a landscaping tractor is a $150 security deposit plus the hourly rate is $30/hour. Write the function f that represents the cost of renting the tractor.
    >>> Let the tractor is taken for x hours.
    >>> Hourly rate per hour = $30
    >>> Total cost = security deposit + cost per hour cross times number of hours.
    table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell f left parenthesis x right parenthesis equals 150 plus 30 cross times x end cell row cell f left parenthesis x right parenthesis equals 150 plus 30 x end cell end table
    >>>>Therefore, the required function is 30x + 150.

    The security deposit is constant  that is 150 dollars and the total cost for the tractor is 30x.
    >>>Then, the functional representation of the given data is 150 + 30x.

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